затворний / привідний механізм
valve-operating mechanism
arming mechanism
battlefield operating system (BOS)
breech mechanism
buffer and operating-rod group
clock delay mechanism
common operating environment (COE)
contemporary operational environment / contemporary operating environment (COE)
defense mechanism
delay arming mechanism
deployment operating base
elevating mechanism / system
emergency fleet operating base
feed mechanism
firing mechanism
forward operating base (FOB)
gas mechanism
ground operating equipment
guidance mechanism
harmonization, coordination and control mechanism (HCCM)
hydraulic recoil mechanism
incentive mechanism
initiating mechanism
international security mechanism
kill mechanism
lever breech mechanism (LBM)
long-recoil mechanism
mechanism assembly
missile operating area
naval base; naval operating base
naval operating base (fixed or temporary)
operating environment (OE)