clandestine operation

clandestine operation; covert operation

clandestine

clandestine border crossing

clandestine organization

experience with clandestine work

keeper of a clandestine address

give clandestine assistance

clandestine agencies

clandestine agent

clandestine assembly area

clandestine force

clandestine operations

clandestine passive resistance

clandestine patrol base

clandestine reconnaissance

clandestine warfare

Defense Clandestine Service (DCS)

humanitarian operation; humanitarian relief operation (HUMRO)

PZ operation (pick-up zone operation)

noncombatant evacuation operation (NEO); non-combat evacuation operation

aeromobile operation

African Union / United Nations Hybrid operation in Darfur (UNAMID)

air defense operation

air logistic support operation

air operation

airborne and amphibious operation

airborne assault operation

airborne/ amphibious operation

air-land operation

air-landed operation

airmobile operation

alien migration interdiction operation