On until first arm

first fire mixture / first-fire mixture

in lieu of until exhausted (ILOUE)

Motor Test Mode is disabled until the settings have seen saved

Permanently disable a crashed craft until it is power cycled

repeats until ... is okay

Time to stay in landing mode until the motors are turned off and the craft is disarmed

Warning beeps when board is armed with motors off when idle (repeats until board is disarmed or throttle is increased)

When active, READY will be displayed until flying

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