First GYRO

first fire mixture / first-fire mixture

gyro-compass / gyro-unit

gyro-unit / gyro-compass

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 responder (emergencies)

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

first iteration of fuel (the)

first gear

first stage fuel filter

first-hand observations