ozone friendly fire safety system

ozone absorption

ozone concentration

ozone depleting substance

ozone layer

ozone layer depletion

ozone layer destruction

Montreal Protocol on Substances that Deplete the Ozone Layer

friendly fire

fire through gaps in the friendly lines

fire within friendly lines

fire over friendly troops

fire extinguishing system sprinkler system and fire alarm system

safety and arming device / safety-and-arming device

essential elements of friendly information (EEFI)

friendly

friendly aircraft

friendly force information requirements (FFIR)

friendly forces

friendly lines

friendly protector

friendly support

critical friendly zone (CFZ)

friendly air movement message (FAM)

friendly troops movement artillery support

forward friendly lines passage

friendly cryptanalyst

friendly forces identification markings

gaps in the friendly lines

rearward friendly lines passage

passage through friendly lines

slant fire; diagonal fire; oblique fire; fire to the oblique

safety lock and fire selector