безпечна експлуатація; безпечна робота (механізму)
safe operation of the vessel
fail-safe operation
clandestine operation; covert operation
humanitarian operation; humanitarian relief operation (HUMRO)
PZ operation (pick-up zone operation)
noncombatant evacuation operation (NEO); non-combat evacuation operation
low-energy (eye-safe) laser
made safe
safe anchorage
safe and secure environment
safe area
safe corridor (naut.)
safe entry time
safe haven
safe humanitarian zone
safe lane
safe speed
safe state
ship citadel (safe haven from pirates)
safe terrain clearance
Trails, Lay, Aimpoint established, Boresight verified, Safe [verification of lay], Prefire checks performed, Ammunition Prepared
safe a gun
blow a safe house
bore-safe fuze
fire-and-safe unit
fail-safe structure
safe life
fail-safe procedure
safe evacuation
safe forced landing
safe landing
safe load