Air Conditioning Pressure 
Area Contingency Plan 
airspace control plan 
Associate Computing Professional 
Audio Control Panel 
Army Campaign Plan 
Allied Communication Publication 
accurate parts 
Action Control Point 
Allied Communications Publications 
American College of Physicians 
Area Contingency Plans 
Atmospheric Chemistry and Physics 
Azimuth Change Pulse 
acid phosphatase 
Active Configuration Profile 
acyl carrier protein 
Address Confidentiality Program 
Adjacent Channel Power 
Aerospace Computer Program 
African, Caribbean and Pacific 
Agricultural Conservation Program 
Air Control Point 
Airlift Command Post 
alternating current polarography 
Amorphous calcium phosphate 
Associate Computer Professional 
Atmospheric Chemistry Program 
Auxillary Control Process 
Access Control Point