first responder (emergencies)

transponder (`transmitter-responder`)

interrogator-responder-transducer

responder

first fire mixture / first-fire mixture

National Emergencies Act

expert group on environmental emergencies response activities

provisions for emergencies

meet emergencies

credible first strike capability

first aid facility

first aid kit

first echelon maintenance

first echelon medical equipment maintenance

first hand information

first impression report (FIR) (post exercise)

first lieutenant = (брит.) lieutenant

first light

first response

first response unit

First Sergeant (1SGT)

first watch

first-aid skills

first-line reserve

individual first-aid kit (IFAK)

first lights

Petty Officer First Class (PO1)

Private First Class (PFC)

Sergeant First Class (SFC)

tactical first aid kit

first round fire for effect

medical kit / med kit / medi kit / first aid kit

medical pouch, med pouch, medi pouch, first aid pouch, medical pack