Tactical Medicine and Tactical Casualty Care: History, Development, Principles, and Areas of Application
Florent Jossea, b
a Bundeswehr Hospital Ulm – Department of Anesthesiology, Intensive Care, Emergency Care, and Pain Treatment
b Tactical Medicine Working Group of the German Society for Military Medicine and Military Pharmacy, Bonn
Summary
Tactical medicine and tactical combat casualty care are crucial parts of modern emergency medicine. They evolved from military experiences and are now applied in numerous civilian and law enforcement operations. This article outlines the historical development, necessity, and concepts of Tactical Combat Casualty Care (TCCC) and Prolonged Field Care (PFC), as well as various application areas.
The core principles of tactical medicine integrate medical care with the tactical situation. The tactical environment dictates medical actions. Different operational phases, from “Care under Fire” to evacuation, define specific algorithms for life-saving measures. TCCC has gained international acceptance and has been adapted by civilian guidelines.
Tactical medicine is increasingly significant in law enforcement, during terrorist attacks, natural disasters, in austere environments, in maritime or alpine scenarios. The war in Ukraine vividly demonstrates that tactical medicine is militarily and societally relevant. New technological and organizational developments are shaping the future of tactical casualty care. The goal is to provide robust, flexible, and situation-adapted care to protect casualties and caregivers.
Keywords: Tactical Medicine, TCCC, Casualty Care, Prolonged Field Care, LeBEL
Introduction and Background
Tactical combat care is an essential area of emergency medicine, particularly crucial for soldiers, police forces, and rescue services in threat scenarios. It ensures that casualties can be treated even under extreme conditions with limited resources, based on algorithms, and the tactical situation, without endangering the mission and other comrades through medical actions. The special challenge lies in uniting medical care with tactical requirements – whether on the battlefield, during police operations, or in civilian disaster scenarios.
Modern tactical medicine has evolved from military experiences. It has drastically changed over the centuries – from primitive aid methods on the battlefield to highly modern medical rescue chains. The key takeaway is clear: Time, technology, and tactics save lives. The concept of Tactical Combat Casualty Care (TCCC), in particular, has revolutionized pre-hospital trauma and casualty care and is now used not only in the military but also in police operations in civilian threat scenarios, albeit slightly modified [3][4][16]. This article summarizes existing insights and aims to provide foundations for the further development of this specialized medicine in the medical service.
Fig. 1: Triangular bandage according to Friedrich von Esmarch in the execution used in the Prussian Army from 1873 (Image: Dr. Dirk Ziesing, Bochum)
History of Tactical Casualty Care
Early Modern Period – 17th to 18th Century
With the emergence of modern armies, the first organized structures for the care of wounded soldiers began. The Frenchman Dominique Jean Larrey (1766–1842),who served as a military doctor under Napoleon, is considered a pioneer in this area. In the 18th century, he developed the concept of the „flying ambulance“ (Ambulance Volante), an early form of casualty transport using horse-drawn wagons. This was the first step toward systematic and rapid medical service directly at the front [40].
Beginnings in the 19th Century
In the following centuries, it was recognized that the care of the wounded on the battlefield had to be systematized and improved. Another pioneer in this field was Friedrich von Esmarch (1823–1908), a German military doctor who developed, among other things, the triangular bandage and the bandage package. His book „Der erste Verband auf dem Schlachtfelde“ (1870) laid the foundation for modern self and buddy aid [39][44].
The idea that the wounded should be transported to secure zones as quickly as possible became a strategic principle in care in the 19th century. During the American Civil War (1861–1865), a systematic evacuation system was established using horse-drawn wagons, bringing injured soldiers from the combat zone to field hospitals near the front. The goal was to avoid dreaded infections through timely wound care [13].
Advancements in World War I and II
In World War I (1914–1918), motorized ambulances were used for the first time, allowing faster transport, although existing trenches made care difficult. In this context, the first systematic evacuation routes (e.g., medical vehicles, horse-drawn carts) emerged. Detailed textbooks explained the infrastructure of casualty care, from front-line dressing and collection points to barracks camps in the rear and transport trains to homeland hospitals. In Germany, the first specialized clinics for trauma and rehabilitation were established [30].
In World War II (1939–1945), the priority of stopping bleeding and the rapid transport of casualties were especially established [12]. During the battles in North Africa, British and American doctors recognized that the rapid evacuation of casualties by airplanes significantly improved survival rates. This was the precursor to the modern MEDEVAC system [14].
Vietnam War and the Introduction of Air Rescue Systems
The Vietnam War (1955–1975) was one of the first conflicts where helicopters were systematically used for medical evacuation. During this time, the term „Golden Hour“ emerged, coined by Dr. R. Adams Cowley, a surgeon and military doctor in the USA, in the 1970s. Experiences from the Vietnam War showed that patients who reached a surgical center within an hour after trauma survived significantly more often. The „Golden Hour“ refers to the first time window of about 60 minutes after severe trauma, where adequate medical care is crucial for the patient‘s survival and prognosis. The goal is to avoid the „Second Hit“ in terms of further systemic damage due to delayed care [10][21][25]. The combination of rapid evacuation and early surgical interventions in mobile surgical units revolutionized war surgery [16][26].
Fig. 2: US Special Forces during the Battle of Mogadishu 1993: It was first recognized that the application of classical ATLS standards was not possible under combat conditions. (Image: WIKIMEDIA Commons)
The Turning Point: Mogadishu 1993 and the Introduction of TCCC
A turning point for tactical casualty care was the Battle of Mogadishu (1993), where 18 US soldiers died because civilian trauma care standards like Advanced Trauma Life Support (ATLS) did not work under combat conditions [35]. These painful events had a formative influence on the development of modern military emergency medicine, particularly on the introduction of the Tactical Combat Casualty Care (TCCC) concept [22].
Based on the experiences from Mogadishu and with the aim of developing an algorithm-based and military-situation-adapted trauma care, Butler et al. first published „Tactical Combat Casualty Care in Special Operations“ in 1996 [4]. These were the first innovative and scientifically based recommendations for casualty care under tactical constraints and the foundation of today‘s Tactical Combat Casualty Care (TCCC) Guidelines [22]. Initially used only in the special forces sector, these concepts gained increasing importance for regular military units under the pressure of the loss-heavy conflicts in Afghanistan and Iraq [16].
With the „Committee on TCCC“ (CoTCCC), a body was created whose recommendations were soon also adopted by civilian US institutions. The National Association of Emergency Medical Technicians (NAEMT) has incorporated the TCCC Guidelines into the „Prehospital Trauma Life Support“ (PHTLS) and has become a partner of the CoTCCC [22]. The consistent training and application of TCCC in the US Armed Forces led to a significant reduction in the mortality rate in the conflicts in Afghanistan and Iraq [9][10][24][26][27][28][34].
Internationally, the TCCC Guidelines are increasingly established and are used as the basis for tactical casualty care. However, since these cannot be implemented 1:1 to European standards, working methods, and medications, the „Tactical Rescue and Emergency Medicine Association (TREMA)“ has taken up this topic since 2007 and published the TREMA Guidelines for tactical casualty care [38].
TCCC has developed into a globally recognized standard and is now used not only in the military sector but also by police and rescue units [18][31].
Tab. 1: Differences between civilian emergency medicine and tactical casualty care
Principles of Tactical Casualty Care
Tactical medicine differs in several key aspects from conventional emergency medicine. While the goal in classical emergency medicine is to ensure optimal medical care, in tactical operational situations, the focus is oncombining care and the tactical situation.
Comparison of Civilian and Tactical Emergency Medicine
Basic Principle:
In civilian emergency medicine, the medical situation determines our approach – in tactical medicine, the tactical situation determines our medical approach and the possible measures!
Important Principles of Tactical Medicine
The following five principles apply in tactical medicine [14]:
- “Good medicine may be bad tactics”
Optimal medical care can be tactically devastating, leading to further losses or mission failure. - “Treat first what kills first”
Treatment begins with the most common avoidable causes of death. - “Tourniquet first”
Critical extremity hemorrhages are treated immediately with a temporary tourniquet. - “Phase-oriented care”
All measures are directed according to the tactical situation. - “Respect the phase of care”
The complex operational environment in which the TCCC provider operates is illustrated in Figure 3. This highlights the significant difference compared to ‘conventional’ emergency and prehospital care.
Fig. 3: The conflicting demands faced by the TCCC provider
The Three Phases of Tactical Combat Casualty Care
Tactical casualty Combat Care has been divided into three phases, characterized by the current threat and risk situation. These phases are crucial for enabling effective care under combat conditions or in other dangerous situations, with the measures that are possible and recommended in this phase [5].
Phase 1: Care Under Fire (CUF) – Care under Fire/Threat
This first phase refers to care while the casualty and the medic (a general term for a soldier with advanced emergency medical training) are still under direct fire or threat – for example, in an ongoing firefight, in the area of an IED, or during a continuing terrorist attack with the danger of a Second Hit.
Goals of the CUF Phase
- Establish fire superiority
Turn the tactical situation in one‘s favor, recognize and define the danger area, ward avert further dangers. - Minimize further casualties
The most crucial step is to avoid further injuries. Medical personnel must protect themselves according to the tactical situation while rescuing the casualty. - Rapid evacuation to a safer position
If possible, casualties should be encouraged to take cover themselves (self and buddy aid). Rescue from these areas is allowed without regard for injuries to quickly get out of the danger zone. - Minimal medical measures
Since every intervention takes time and endangers oneself and comrades, treatment in this phase is restricted to a few measures.
Medical Measures in the CUF Phase
- Temporary bleeding control through tourniquets.
Critical extremity hemorrhages must be stopped immediately with a tourniquet if tactically possible, as these are the most common avoidable cause of death in combat. - Extreme body proximal hemorrhages should be maximally adressed with manual pressure, if possible, according to the situation.
- No airway management
Since these procedures are too dangerous in this phase, no airways are secured. If the casualty cannot be transported temporarily, a lateral position in the sense of a recovery position is recommended to keep the airways open.
As fast as possible evacuation
If possible, the casualty should be brought to a safer area by themselves or with support.
Phase 2: Tactical Field Care (TFC) – Care in a Partially Safe Area
In this situation, there is no immediate threat, but the environment is not fully secured. Here, an extended structured algorithm-based medical care with a focus on life-saving measures is permitted. There is always the need to be able to move with the patient.
Goals of the TFC Phase
- Identification and treatment of critical injuries,
- Prioritization of medical measures according to TCCC algorithms (MARCH, <C>ABCDE, abbreviations see below) and
- Stabilization of the patient for transport.
Algorithms and Measures in the TFC Phase
- Apply the MARCH algorithm
- Massive Hemorrhage (stop severe bleeding),
- Airway (maintain/secure airway),
- Respiration (check breathing, treat tension pneumothorax),
- Circulation (stop further bleeding, maintain circulation, resuscitation),
- Hypothermia (prevent hypothermia).
- Application of the <C>ABCDE Algorithm
- <C> Critical Bleeding (stop critical bleeding),
- Airway (open or secure airway),
- Breathing (check breathing and treat tension pneumothorx),
- Circulation (stop further bleeding, maintain circulation, resuscitation),
- Disability (neurological examination and analgesia),
- Exposure (fully expose injuries, prevent hypothermia, if possible, convert applied TQ, prepare for transport).
Fig. 4: Rapid evacuation to a safer position takes precedence over the treatment of injuries. (Image: Bundeswehr/Jana Neumann)
Phase 3: Tactical Evacuation Care (TEC) – Care during Evacuation
This phase begins once the casualty has been prepared for transport. Evacuation can be on ground or land, air, or water vehicles.
Goals of the TEC Phase
- Ensure continuous medical care during transport,
- Monitor the patient and adjust therapy if necessary,
- Communicate with the receiving medical facility.
Medical Measures in the TEC Phase
- Reapply the <c>ABCDE/MARCH algorithm for reevaluation,
- Provide oxygen (if available and necessary),
- Continue bleeding control and check tourniquets and, if possible, convert them before transport,
- Continue analgesia and sedation,
- Document measures and communicate with the medical team at the destination.
Prolonged Field Care (PFC)/Prolonged Casualty Care (PCC) – Extended Casualty Care
Apart from the classic three phases of Tactical Combat Casualty Care (TCCC – Care Under Fire, Tactical Field Care, and Tactical Evacuation Care – in recent years, Prolonged Field Care (PFC) has emerged as a phase after TCCC, becoming increasingly relevant:
PFC refers to extended medical care in the field that goes beyond all conventional operational medicine planning timelines [25]. It becomes necessary when medical evacuation is not possible or only severely delayed – due to enemy threats, lack of transport means, or weather conditions. This scenario is particularly observed in high-intensity, asymmetric, or logistically overloaded conflicts like in Ukraine [37].
PFC is defined as follows:
“Field medical care applied beyond doctrinal planning timelines in austere environments where evacuation is not immediately possible and where resources may be limited or nonexistent.” [33]
Goals of PFC
PFC pursues, among other things, the following goals:
- Maintain vital functions and nursing measures for hours to days without definitive care facility,
- Avoid secondary complications (e.g., hypothermia, hypoxia, infections, pressure sores),
- Documentation, monitoring, and prioritization of resources, and
- Maintain the operational capability of forces in the environment.
Core Statements of the PFC Approach
- “If you can’t evacuate – you must mitigate.”
- “Sustain life, buy time, and prepare for transport.”
- “Train for reality – not for doctrine.”
Overarching Principles
For all TCCC phases and the PFC, the following overarching principles apply:
- The tactical situation always determines medical care.
- Fire superiority is the best medicine in the initial phase.
- Good medicine can be bad tactics.
- Treat first what can kill fastest.
- Stop bleeding, secure airway, enable breathing.
- Fulfill the mission – medically and tactically.
Conclusion and Relevance for Future Operations
Tactical casualty care has made significant progress in recent decades. Through the introduction of standardized algorithms like TCCC, survival rates have been significantly increased [5].
Key insights are:
- Tourniquets and bleeding control are essential.
- Medical care must adapt to the tactical situation.
- Specialized training for military, police, and rescue services is necessary.
New technologies and scientific insights will heavily influence the future of tactical medicine. New hemostatic agents, advanced analgesia, improved protective clothing, and innovative evacuation methods will further optimize care.
Areas of Application for Tactical Medicine
Tactical casualty care is not limited to the military but has also proven indispensable in police, civilian, and humanitarian operational areas. The principles of tactical medicine are applied in various scenarios:
Law Enforcement Application – Tactical Emergency Medical Support (TEMS)
While military medics operate on the battlefield, police forces increasingly find themselves in life-threatening situations – such as in rampages, terrorist attacks, hostage-taking, or complex acts of violence. In these high-risk situations, medical care by regular rescue personnel is often severely delayed or initially impossible. The concept of Tactical Emergency Medical Support (TEMS) was developed to integrate situation-adapted, early medical care directly into police operations [2][18][29]. Based on this, training concepts such as Tactical Emergency Casualty Care (TECC) were developed for non-military police and tactical scenarios.
Challenges of Police Tactical Medicine
- Mission and self-protection
Medical personnel can only act when sufficient tactical security is ensured. - Delayed medical care
In dynamic situations, it can take hours before structured care and evacuation are possible. - Integration into police structures
TEMS forces must work closely with special units such as SWAT or GSG 9, be tactically trained, if possible, be incorporated, and operate under conditions close to deployment.
Tactical Medicine in Amok and Terror Situations [18][43]
- Police forces must quickly locate, isolate, and neutralize threats before regular rescue services gain access.
- Therefore, regular operational forces are increasingly trained in life-saving immediate measures such as tourniquet application, hemostatics use, wound packing, and chest seal application.
- The initial medical care often takes place under personal protective equipment (PPE), with reduced material and in so-called partially safe areas – parallel to tactical situation management.
Tactical Medicine in Terrorist Attacks in the Civilian Context – LebEL (Life-Threatening Operational Situations)
The events in Paris (2015), Berlin (Breitscheidplatz, 2016), London (several attacks in 2017), and other attacks in European metropolises have made it clear that civilian rescue systems must be prepared for complex threat scenarios such as attacks with firearms, explosives, or vehicles. Life-threatening operational situations (German: LebEL) refer to police operations that pose a high risk to the lives of victims, bystanders, and emergency personnel. They are characterized by significant uncertainty, dynamic threats, and the need for tactically coordinated medical interventions. In such scenarios, tactical medicine also plays a crucial role in the civilian sector [23].
Tab. 2: Comparison of the phases of TCCC and the zonation in TEMS/LebEL
Basic Principles within LebEL Care
- Zone Model see Table 2
Differentiate between unsafe, partially safe, and safe areas, depending on the threat situation.
- Unsafe area
Only the police act; no medical actions are taken by regular rescue. Tourniquets are applied by trained police personnel. - Partially secure area
Protected casualty collections for preliminary triage and treatment of critical bleeding are established, with handover by the police. - Safe area
Hospitals are the strategic goal for further medical treatment; they must be made „safe zones“ through structural measures. Self-protection before patient care
Medical measures are subordinated to tactical conditions – “Safety first.“
- <C>ABCDE
Priority is given to bleeding control (<C>), simple airway measures, and maintaining warmth.
Examples of LebEL:
- Paris 2015
Multiple simultaneous attack sites with dynamic perpetrator situations – police and rescue forces operated under pressure in changing danger zones [15][20].
- Berlin 2016
Breitscheidplatz attack – long uncertainty about the perpetrator situation complicated patient care, first responders took life-saving measures [7].
- London 2017
Social media-based police warning strategy („Run, Hide, Tell“) led to faster self-rescue and relief of operational forces [20].
- Dresden 2023
Planned multiple attacks by a lone perpetrator highlighted the need for early threat assessment and interdisciplinary alerting.
Tactical medicine in LebEL scenarios requires close cooperation between police, rescue services, and clinics. The goal is to ensure the survival of the injured through coordinated spatial organization, rapid tourniquet application, and priority-oriented transport – while providing maximum protection for operational personnel [18][23].
Tactical Medicine in Disaster Operations
In addition to military and police operations, tactical medicine is increasingly being applied in civilian disaster situations, such as earthquakes, tsunamis, or major industrial accidents.
Differences from classical disaster medicine are mainly:
- Lack of medical personnel
Helpers have to work under extreme conditions with few resources.
- A large number of patients
In earthquakes or terrorist attacks, there are often hundreds of casualties at once.
- Extended transport times
In crisis areas, evacuation can take days to weeks (e.g., Haiti 2010, earthquakes in Syria and Turkey 2023).
Example of Tactical Medicine in Disaster Operations
During the Nepal earthquake (2015), specialized teams worked with tactical medical protocols to rescue casualties from hard-to-reach areas [1].
Tactical Alpine Medicine
Tactical alpine medicine is a specialized subfield of tactical medicine that focuses on operations in alpine terrain. It is particularly used by military, police, or specialized rescue units – such as in mountain rescue operations under enemy threat, avalanche accidents, or in impassable high mountains [19].
Particularities of Tactical Alpine Medicine are
- Extreme environmental conditions
Operations often occur under cold, wet, snowy, windy, high-altitude, and steep terrain conditions.
- Combination of medicine and alpine technical knowledge
Rescue and care must occur in parallel to securing against falls and environmental risks.
- Difficult evacuation
Casualties must often be carried over long distances in rugged terrain or extracted from alpine zones by winch.
- Limited medical resources
Minimally invasive, life-saving measures (e.g., tourniquet, pain control, maintaining warmth) are prioritized.
Example of Tactical Alpine Medicine
In operations by special forces or mountain rescue units, such as during avalanche disasters with multiple buried victims, medical teams work under extreme conditions in parallel with rope securing, avalanche search technology, and hypothermia-specific emergency care [19].
Tactical Medicine in Offshore Environments
With the expansion of maritime energy infrastructure and strategic objects at sea, medical care in offshore scenarios is gaining importance – even from a tactical perspective. Offshore platforms, wind farms, and maritime operational areas pose particular demands on the medical system due to their isolation, weather dependency, and threat environment (e.g., sabotage, explosions, fire) [41].
Particularities of Offshore Medicine with a Tactical Focus are
- Access restriction and isolation
Patients often spend hours at sea – without immediate clinical care.
- Complex evacuation logistics
Evacuations take place via helicopter, crew transfer boats, or rescue capsules – under highly weather-dependent conditions.
- Limited medical equipment
Trained non-physicians (offshore medics) often provide initial care, supported by telemedicine
- Tactical threat scenarios
In addition to medical emergencies, security-relevant scenarios (e.g., hostage-taking, sabotage acts, piracy) can occur – especially on supply ships or critical infrastructure.
Example of Tactical Medicine in Offshore Environments
During exercises and real operations, offshore medics and emergency physicians train together with police or naval units to care for injured persons under challenging conditions – such as after explosions or in cases of multiple traumata on wind turbines. The focus is on integrating telemedicine, structured emergency care, and tactical situational awareness [41].
Tactical Medicine in Austere and Wilderness Environments
Tactical medicine is increasingly important in extremely remote, resource-poor, or so-called „austere“ operational environments – such as in remote areas, deserts, jungles, mountains, or arctic regions. The boundaries between tactical, austere, and wilderness medicine are fluid. Training and research institutions increasingly define this area as an independent field of action within mission-oriented medicine [42].
Particularities of Austere/Wilderness Medical Care
- Minimalist equipment
Care is provided without standard devices, often only with portable material in the form of a medical backpack or the personal material of the daypack.
- Extended treatment time (Prolonged Field Care)
Medical care must be provided for many hours or days without secured evacuation possibilities.
- Expanded role distribution
Non-physicians (e.g., medics or operational paramedics) also take on extended measures such as airway management, pain therapy, or wound care.
- Environmental challenges
Extreme temperatures, humidity, altitude exposure, wild animals, or toxic plants influence diagnostics and care.
- Communication and navigation
Reduced or absent network connections require redundant communication means (e.g., satellite radio) as well as map and GPS competence.
Example Scenarios for Austere and Wilderness Medicine
- Care of a polytraumatized soldier after a crash in alpine terrain in adverse weather.
- Evacuation of a wounded person from a jungle area with an improvised stretcher and limited equipment, or
- long-term monitoring and treatment of a hypothermic patient without the possibility of evacuation.
Austere and Wilderness Medicine are demanding sub-disciplines of tactical medicine. They require improvisation talent, physical resilience, and a high level of medical decision-making ability under uncertainty. Training programs increasingly align with international standards (e.g., wildernessmedicine.com) and include simulation-based learning, practical field competence, and interdisciplinary scenarios [11].
Why is Tactical Medicine More Important Than Ever? – Insights from Ukraine
Tactical casualty care has evolved over the past decades from exclusive military applications to an increasingly societal tool for survival assurance. The war in Ukraine since 2022 shows with unprecedented clarity the challenges modern, high-intensity, and hybrid conflicts pose to medical care. The experiences from the Ukraine war offer essential lessons for further developing tactical medicine in the context of national and alliance defense, international crisis management, and civilian disaster scenarios.
The more than 20 years of experience gained in Afghanistan and Africa and the substantial advancement of tactical medicine during that time form the foundation for the current situation. However, it must be adapted to reflect the duration and intensity of care and the increased threat to medical personnel. and duration of care as well as their own threat.
Tactical Medicine in Modern Wars: The Ukraine War as an Example
The Russian war of aggression against Ukraine is the largest conventional war in Europe since World War II. It is characterized by a combination of classical warfare, urban combat, technological reconnaissance, and targeted attacks on critical infrastructure. The healthcare system is particularly affected, systematically targeted by attacks. Between February and December 2022, according to a comprehensive study, 707 documented attacks on health facilities, rescue vehicles, and medical personnel were registered [6].
The Core Impacts and Challenges of the Ukraine War Are
1. High number and complex quality of injuries
- Explosion trauma, multi-system injuries, and amputations are common injury patterns caused by drones, artillery, and landmines [6][36].
- Thermobaric weapons lead to difficult-to-diagnose internal injuries [36].
2. Lack of air superiority and delayed evacuation
- Unlike previous operations in Afghanistan or Iraq, air evacuation (MEDEVAC) is hardly possible.
- Long transport times force Prolonged Field Care (PFC) under the simplest conditions [36].
3. Danger to medical personnel and infrastructure
- The Red Cross‘s protection status is largely ignored. Medical facilities are deliberately shelled [6][36].
- Medics are forced to operate in improvised ORs, basement rooms, or without electricity and water [36].
4. Importance of civilian first responders and TCCC training
- Ukraine has trained tens of thousands of civilian first responders according to TCCC standards [6][36].
- Tourniquets, chest seals, and training scenarios are widespread in many households, comparable to first-aid kits in cars [36].
5. Prolonged Field Care and new care concepts
- New care chains with Forward Surgical Elements in protective structures and mobile treatment units in bunkers are emerging.
- Classic models (e.g., tent or container with an OR table) are considered outdated.
6. Non-medical personnel as a central resource
- Future doctors cannot be trained in the necessary number and quality, therefore, both civilians and soldiers must be trained in the most important measures according to TCCC in a cross-sectional and stepwise manner. Interdisciplinary cross-training at all levels of care.
Lessons from the Ukraine War for NATO, Bundeswehr, and Civilian Structures:
- Bleeding control and pre-hospital transfusions must be further developed and adequately trained (keyword: TQ conversion, junctional tourniquets, AAJT-S, cold-stored whole blood).
- Training and logistics concepts must be adapted to realistic large-scale damage scenarios. The experiences from stabilization operations and IKM in Afghanistan, Iraq, and Africa must not be forgotten. Here, adaptation, especially to the quantity and duration of care, is necessary.
- Civilian structures must be enabled to apply tactical medicine in the context of terror situations and blackout scenarios.
The Ukraine war highlighted classical casualty care’s limits and defined a new paradigm for tactical medicine: mobile, fast, robust, decentralized, interoperable and resilient. Tactical medicine is no longer exclusive knowledge for special forces but an essential component of societal resilience. The medical corps of the Bundeswehr and its partners and civil-military structures must use these insights to be prepared for what is to come.
Conclusion: Tactical Medicine and Casualty Care as an Indispensable Capability
Tactical casualty care has evolved into one of the most important medical disciplines in recent decades – not only for the military but also for police, rescue services, and civilians.
Why is Tactical Medicine So critical?
- It saves lives in combat, danger, and disaster situations.
- It works adapted to the tactical situation.
- It bridges the time until actual medical care.
- It prepares for future threat scenarios – from wars to terrorist attacks.
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Manuscript Data
Citation
Josse F: Tactical Medicine and Tactical Casualty Care: History, Development, Principles, and Areas of Application. WMM 2025; 69(6E): 2.
DOI: https://doi.org/10.48701/opus4-507
Author
Lieutenant Colonel (MC) Dr. Florent Josse, MD
Bundeswehr Hospital Ulm
Department of Anesthesiology, Intensive Care, Emergency Care, Pain Treatment
Oberer Eselsberg 40, D-89081 Ulm
E-Mail: florentjosse@me.com
Medicine in Irregular Warfare
Medizin bei irregulärer Kriegsführung
Audrey Jarrassiera, Mathieu Davidb, Yann Le Vaillantc, Pierre Mahéd, Florent Jossee, Pierre Pasquierf, g
a Department of Anesthesiology and Intensive Care, Military Teaching Hospital Begin, Saint-Mandé, France
b Deputy Medical Advisor for Allied Special Operations Forces Medical Command, Mons, Belgium
c International Medical Relations Office, Operations Division, French Armed Forces Health Service Headquarters, Arcueil, France
d International Affairs, French Armed Forces Health Service Headquarters, Arcueil, France
e Department of Anesthesiology, Critical Care and Emergency Medicine, Bundeswehr Hospital Ulm, Germany
f French Military Medical Service Academy – École du Val-de-Grâce, Paris, France – Écoles militaires de santé, Lyon-Bron, France
g Department of Anesthesiology and Intensive Care, Percy Military Teaching Hospital, Clamart, France
Summary
Irregular warfare disrupts conventional medical evacuation, requiring prolonged casualty care with limited resources. Damage control resuscitation, mobile surgical platforms, and prehospital transfusion strategies bridge the gap between injury and definitive care. Telemedicine, artificial intelligence-assisted triage, and medical intelligence enhance battlefield medicine, optimizing resource allocation and countering disinformation. Humanitarian engagement and defense medical diplomacy strengthen alliances and stabilize conflict zones. Future innovations in autonomous casualty evacuation and AI-driven decision-making will further adapt combat medicine to austere and unpredictable environments.
Keywords: irregular warfare; battlefield medicine; global health engagement
Introduction
Irregular warfare refers to conflicts that deviate from conventional engagements and are characterized by asymmetric tactics, decentralized forces, and hybrid threats [6]. These conflicts involve insurgency, cyber warfare, precision strikes, and disrupted logistics, posing significant challenges to military medicine (Figure 1) [5][43]. Recent conflicts, such as those in the Sahel-Saharan region and Ukraine, highlight how modern conflicts disrupt evacuation chains and require prolonged casualty care [8][18]. Enemies systematically and deliberately target medical treatment facilities. Unlike traditional battlefields, these environments demand adaptability in medical response as forces operate with limited access to advanced care [17][33]. Traditional tactical combat casualty care and mitigation strategies were designed for structured conflicts with rapid evacuation. In irregular warfare, medical teams must provide prolonged casualty care with limited resources, intermittent supply chains, and mobile resuscitation requirements [14].
This article examines the medical challenges of irregular warfare, the adaptations required in combat casualty care, and the strategic role of medicine in supporting military operations in austere and unpredictable conditions.
Fig. 1. Contrasting traditional and irregular warfare
Medical Challenges in Irregular Warfare
The medical challenges of irregular warfare are complex and multifaceted. On the battlefield, the absence of a defined front line and sometimes an undefined enemy presence complicate casualty care, as combatants often operate in small, dispersed units with limited access to immediate medical evacuation [20]. Under these conditions, prolonged care in the field becomes a necessity, requiring combat medical technicians and providers to care for severely wounded patients over extended periods [9][36]. Unlike conventional conflicts, where casualties are typically transported to advanced medical facilities within an hour, irregular warfare often compels medical teams to sustain life in austere environments with minimal resources.
The types of injuries seen in irregular warfare are also more varied than those on traditional battlefields. Blast injuries, penetrating wounds, burns, and polytrauma are common; however, these conflicts also introduce new threats such as drone strikes, electronic warfare, chemical exposure, and thermobaric injuries [30][42][48].
Cyber-attacks on medical infrastructure can further complicate care delivery by disrupting communications and logistics. The deliberate targeting of medical personnel and facilities in some conflicts represents a significant game changer, forcing military medical teams to remain mobile and adaptable.
In addition to the immediate challenges of trauma care, irregular warfare often involves prolonged medical operations in environments where the local health system is either non-existent or severely compromised. Military medical teams may need to treat both combatants and civilians, blurring the traditional boundaries of military medicine. Operating in such hybrid environments requires advanced training in prolonged casualty care, damage control, and medical strategies adapted to limited resources [37].
Medical Strategies in Irregular Warfare
Combat medicine in irregular warfare emphasizes damage control resuscitation, damage control surgery, and prolonged casualty care to bridge the gap between injury and definitive surgical intervention.
REBOA
In the last decades, one of the most significant advances in battlefield medicine has been the widespread use of tourniquets and hemostatic agents to control life-threatening bleeding [1][7][15]. The introduction of Resuscitative EndovascularBalloon Occlusion of the Aorta (REBOA) and junctional tourniquet has further improved survival rates in patients with non-compressible torso hemorrhage by allowing temporary hemorrhage control in severe conditions [10][39][41][46].
Blood Transfusion
Blood transfusion protocols have also evolved to meet the needs of combat casualties. The use of whole blood, particularly low-titer O whole blood, has revolutionized combat damage control resuscitation [29][38][44]. Field-adapted transfusion methods, including walking blood banks and lyophilized plasma, have been integrated into pre-hospital care to provide early blood compensation in environments where traditional transfusion facilities are unavailable [3][27]. These strategies have significantly reduced avoidable deaths from bleeding and have been successfully implemented in conflicts such as Iraq, Afghanistan, and Ukraine [4][35].
Mobile Surgical Platforms
Mobile and modular surgical platforms have become essential in irregular warfare. Deployable surgical teams now operate in forward positions, providing damage control surgery (“en route surgery”) closer to the point of injury [24]. Airborne surgical capabilities have also been developed, allowing critical surgery during medical evacuation [16]. These advances have redefined the concept of pre-hospital trauma care, ensuring that casualties receive life-saving interventions as early as possible.
Technology
Technology is playing an increasingly important role in irregular warfare medicine. Telemedicine, artificial intelligence-assisted triage, and high-tech tools are now being used to support decision-making on the battlefield when low electromagnetic signatures are not mandatory [22][25][26]. By integrating remote medical expertise, frontline personnel can enhance treatment strategies and allocate resources more efficiently. These innovations can potentially improve battlefield medicine by reducing delays in treatment and increasing the efficiency of medical resource utilization [19][47].
An often overlooked but significant medical challenge in irregular warfare is the emergence and spread of multidrug-resistant infections. Recent operational experience highlights the risk of military personnel returning to their home countries as carriers of highly resistant pathogens, potentially posing a significant public health threat to expeditionary forces and their home countries. These risks require a strategic approach similar to that used in biological risk management, including the use of specialized medical countermeasures during transport, such as portable diagnostic platforms (mini-PCR) for rapid detection and containment of multidrug pathogens [2][23]. In this context, multidrug-resistant organisms could be deliberately exploited as a biological threat to undermine morale, strain healthcare resources and impose significant societal and economic costs. Recent data, such as those described by Scott JC Pallett et al., underscore the alarming prevalence and potential strategic implications of such resistant pathogens in contemporary warfare scenarios [31].
Medical Applications in Irregular Warfare
Medical intelligence has emerged as a relevant component of irregular warfare strategy [42]. Understanding enemy medical capabilities, tracking battlefield injury patterns, and analyzing the medical logistical challenges of enemy forces can provide valuable insights that shape military operations [40]. Monitoring casualty evacuation routes and medical supply chains can reveal strategic vulnerabilities; however, such practices must strictly adhere to ethical standards, medical neutrality, and international humanitarian law, including the Geneva Conventions. While particular state or non-state actors may unethically exploit medical intelligence by deliberately targeting healthcare facilities, evacuation pathways, or medical supplies, these actions constitute severe violations of international humanitarian law and medical ethics. A clear distinction must, therefore, be maintained between legitimate medical intelligence, focused on optimizing medical support, preparedness, and protection of friendly forces, and unethical misuse (weaponization), which constitute war crimes. Medical personnel must uphold humanitarian principles, avoiding actions compromising enemy combatants’ or non-combatants’ health or survival [13].
Misinformation and medical disinformation are increasingly used as tools of psychological warfare [28]. False reports of chemical attacks, exaggerated casualty numbers, and misinformation about the availability of medical resources can affect morale and disrupt military operations [33]. Military medical teams must use these narratives to disseminate accurate information. Medical strategy can be used to strengthen alliances, build trust with local populations, and counter insurgent propaganda. Global Health Engagement, which could be humanitarian operations, is critical in irregular warfare. Providing medical care to civilians and local allied forces helps to build stability and legitimacy in conflict zones and the acceptability of the force [11]. Training local medical personnel in trauma care and public health measures increases regional resilience and reduces dependence on foreign military support [12,34]. Medical diplomacy is a powerful tool that extends beyond the battlefield, fostering long-term relationships and reinforcing the broader strategic objectives of military operations.
Military hospitals treat repatriated foreign war casualties, reinforcing cooperation with allied nations and fostering long-term defense partnerships. Furthermore, they provide medical support for foreign VIPs, including diplomats and national leaders, either military or civilian, as a strategic tool of defense diplomacy. These actions enhance geopolitical influence, build trust, and integrate medical capabilities into broader military and diplomatic objectives.
Fig. 2. Medical challenges and strategies during irregular warfare
Medical Prospects in Irregular Warfare
The future of medicine in irregular warfare will be shaped by technological advances, medical innovation, and the changing nature of warfare [33]. Artificial intelligence is expected to play a decisive role in medical decision-making [21]. AI-based diagnostics and predictive analytics will improve casualty management by enabling faster and more accurate injury severity assessment [45]. Robotics and remote surgical systems will facilitate casualty management in secluded or inaccessible battle zones.
Autonomous casualty evacuation is another promising field of development for irregular warfare. Unmanned aerial vehicles equipped with medical evacuation capabilities are being tested to move casualties from the battlefield to higher levels of care without putting additional personnel at risk [32]. These systems can revolutionize medical evacuation by providing rapid and safe transport in contested environments. Interoperability between allied forces will be essential in future conflicts.
The standardization and interoperability of combat casualty care protocols and improved multinational medical training programs will ensure seamless cooperation in joint military operations. Ongoing research using a trauma registry, data sharing, and international collaboration will further enhance medical outcomes on the battlefield. Strengthening partnerships between military medical communities will be essential to prepare for the complexities of modern and future warfare.
Conclusion
The evolving nature of irregular warfare requires constant adaptation of battlefield medicine (Figure 2). Future advances should refine existing trauma care techniques and explore new approaches to autonomous casualty evacuation, AI-driven decision support, and decentralized medical logistics. As conflicts become more complex, military medicine must embrace interdisciplinary collaboration, integrating expertise from data science, engineering, and humanitarian operations to improve strategic effectiveness and ethical considerations. Beyond the battlefield, innovations developed in war medicine will have broader implications for global emergency response and disaster relief, bringing military and civilian medical preparedness closer together in austere environments.
Key Messages
- Irregular warfare requires adaptive and innovative medical strategies.
- Damage-control strategies and prolonged casualty care are critical to improving the survival of war casualties.
- Civil-military cooperation improves casualty management and increases strategic impact.
- Medical intelligence plays a role in battlefield operations and countering disinformation.
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Manuskript Data
Citation
Jarrassier A, Mathieu D, Le Vaillant Y, Mahé P, Josse F, Pasquier P: Medicine in irregular warfare. WMM 2025; 69(6E): 3.
Also published in WMM 2025; 69(6): 265-269.
DOI: https://doi.org/10.48701/opus4-502
For the Authors
Dr. Audrey Jarrassier
Department of Anesthesiology and Intensive Care,
Military Teaching Hospital Begin, Saint-Mandé, France.
E-Mail: jarrassieraudrey@gmail.com