Western Command

Western Approaches Command

United Nations Mission for the Referendum in Western Sahara (MINURSO)

United Nations Transitional Administration for Eastern Slavonia, Baranja and Western Sirmium (UNTAES)

Western Europe Organization for Economic Cooperation and Development (OECD)

Forces Answerable to the Western Europen Union (FAWEU)

Western intelligence agencies

Western security agencies

Western theater of war

aerospace defense command

air command

air command and control system (ACCS)

air defense command

Air Force Logistic Command

Air Force Special Operations Command (AFSOC)

Air Force Systems Command

air force tactical command

Air Mobility Command (AMC)

Air Mobility Command’s air assets

Air Training Command

airborne command post

Alaskan Air Command

Alaskan Command

Allied Command Europe (ACE)

Allied Command Europe Mobile Force (AMF)

Allied Command Europe Mobile Force

Allied Command Europe Rapid Reaction Corps

Allied Command Operations (ACO)

Allied Command Resource Optimization Software System (ACROSS)

Allied Command Transformation (ACT)

Allied Forces Maritime Component Command HQ

Allied Joint Force Command

Allied Maritime Component Command