Mass Casualties and Evacuations - Medical - United Task Force (UNITAF) Arma 3

P2-21 Mass Casualties and Evacuations

UNITAF / Arma 3 / Medical Procedures

Version 2 / 2min read / Updated Sun 08 May 2022 / 1087 views / of verified

A mass casualty incident (MCI) is any situation where a unit is overwhelmed by the number and severity of casualties. Dealing with a MCI while under fire is one of the most challenging and logistically difficult situations in our system. 



The priority is always to rapidly triage, stabilise and treat the wounded until a Squad Medic, Platoon Medic or Medical Emergency Response Team arrives. 



  1. Establish a Casualty Collection Point (CCP)
  2. Notify immediately higher headquarters or any response assets of the MCI so they can be mobilised
  3. Transport any incapacitated players to the CCP
  4. Triage all Casualties
  5. Use the 7 Step Process to begin treating patients
  6. Utilize support assets
    1. Hand off casualties to a Medical Emergency Response Team MERT (if one is called)
    2. if a MERT is not deployed and if available then utilise medical support vehicles to treat MCI in field


Off the field support

In most all cases, an MCI will require off-field support to overcome it. And that support can come from one of the following;

  • Field Hospitals or Medical Buildings any medical building, be it at base or civilian, will speed up recovery of a MCI since it will allow a CLS to perform actions of the Medic, and will speed up medical actions.
  • Medical Vehicles in missions where vehicles are deployed, it's common to see mobile medical support in the form of tracked or wheeled APCs or MRAPs, with the same benefit as above. Typically the Platoon Medic would take command of this vehicle.
  • Medical Emergency Response Teams (MERT) if neither of the above are true, and depending on METT-TC, a MERT team can be deployed. MERT is an airborne team of medics with a two person crew which is able to swoop in to a TLZ and collect casualties rapidly, treating them in the air or back at a field hospital. Due to the nature of a MERT, it can only be deployed while escorted by a attack helicopter such as an Apache AH-64 and when there is air superiority.

UNITAF Standard Operating procedures (SOP)
are adapted primarly from US Army Training and Doctrine Command (TRADOC). Our written and audio procedures are a combination of the following primary source materials, as well as our own learnings, modifications and adaptations:
- US Army Techniques Publication, Infantry Platoon and Squad (ATP 3-21.8)
- Soldier’s Manual of Common Tasks Warrior Leader Skills Level 2, 3, and 4 (STP 21-24-SMCT)
- The Warrior Ethos and Soldier Combat Skills (FM 3-21.75 / FM 21-75)
- Leadership Development (FM 6-22)
- Dyslexi's Tactics, Techniques, & Procedures for Arma 3 (TTP3)

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