experimental operation

experimental networking system

experimental missile submarine

experimental aircraft

experimental

experimental procedure

blind landing experimental unit

experimental development

experimental flight

experimental fluid mechanics

experimental model

experimental drone

aircraft experimental establishment

Aeroplane and Armament Experimental Establishment (A&AEE)

clandestine operation; covert operation

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

Alliance operation

allied joint operation

amphibious operation