Advice of Charge 
Air Operations Center 
Air Officer Commanding 
Army Ordnance Corps 
Asylum Officer Corps 
Abnormal Operating Conditions 
AP LOCKHEED 
Area of Concern 
Array Operations Center 
assimilable organic carbon 
Automatic Overload Control 
Award of Contract 
administrative order of consent 
Administrative Order on Consent 
Administrator on Call 
Aeronautical Operational Communications 
Aeronautical Operational Control 
Air Operation Center 
Air Operators Certificate 
Airline Operations Center 
Area of Concentration 
Area of Contamination 
areas of concern 
Army Operations Center 
Association of Old Crows 
Attitude and Orbit Control 
AUTOMATIC OUTPUT CONTROL 
abnormal operating condition 
Acorn To Oaks Charter 
action office contact