Advanced Power Management 
Ascent Particle Monitor 
Adaptive Pointer Management 
Antenna Pointing Mechanism 
Attached Pressurized Module 
Attack Planning Mode 
Application Performance Management 
Application Performance Monitor 
Applied Mathematical Modelling 
Assistant Project Manager 
Atom Probe Microanalysis 
acoustic plate mode 
Administered Pricing Mechanism 
Advanced Penetration Model 
Advanced Progressive Matrices 
affected-pedigree-member 
air particulate monitor 
Airborne Particulate Matter 
Aircraft Performance Monitoring 
Aircraft Personality Module 
Amplitude Phase Modulation 
Antenna Positioning Mechanism 
Anti-Personnel Mine 
Application Portfolio Management 
Army Program Memorandum 
Ascent Performance Margin 
Assistant Program Manager 
Assistant Project Manger 
Association of Professors of Medicine 
Association of Project Managers