Mesoscale Alpine Programme 
Microwave Anisotropy Probe 
mean areal precipitation 
Modified Atmosphere Packaging 
Microtubule associated protein 
mitogen-activated protein 
model accreditation plan 
Machinist Apprentice Program 
magnesium ammonium phosphate 
Management Assessment Program 
Management Assistance Program 
Map Analysis Package 
Mesoscale Alpine Program 
Michigan Airglow Payload 
MILSTAR Advanced Processor 
Mission Assurance Plan 
Modeling Analysis and Prediction 
Motorist Assistance Patrol 
Multiplexer Access Point 
Management of Archaeological Projects 
Mapping Alliance Program 
Market Area Planner 
mass analysis of particulates 
medical assistance plan 
Mesoscale Alpine Project 
Metro-Agro-Plex 
Microwave Anisotrophy Probe 
Microwave Anisotropy Platform 
Microwave-background Anisotropy Probe 
Middle Atmosphere Programme