летовище цілодобового використання
all-year-round operation aerodrome
round-to-round laying
round-to-round scatter
daytime operation aerodrome
clock delay mechanism
slave clock
around-the-clock fire support
clock code
clock course
clock-course angle
user clock time bias error
around-the-clock fire support capability
clock driver
effectiveness clock
clock basher
clock face method
clock method
clock ray
clock train
clock type of fuze
target-airplane-battery clock
six o'clock aiming point
six- o'clock holding
delay arming clock
Date and time from real time clock
real time clock (RTC)
Real time clock date / time
clandestine operation; covert operation
humanitarian operation; humanitarian relief operation (HUMRO)
PZ operation (pick-up zone operation)
noncombatant evacuation operation (NEO); non-combat evacuation operation
aerodrome control service