American Meteorological Society 
Acquisition Management System 
Automated Manifest System 
Agricultural Marketing Service 
Alpha Magnetic Spectrometer 
American Mathematical Society 
Andrew Message System 
Aerial Measuring System 
Army Map Service 
Asset Management System 
Accelerator Mass Spectrometry 
Access Management System 
Aeronautical Mobile Service 
altered mental status 
Antenna Microwave Subsystem 
Automatic Music Search 
Address Management System 
American Meteor Society 
AMSOIL 
AMSOIL OLD 
Access Method Services 
Acoustic Measurement System 
Acute Mountain Sickness 
Administrative Management Society 
aerosol mass spectrometer 
Air Mobility Squadron 
Army Management Structure 
Asymetric Multiprocessing System 
Attitude Measurement System 
Automated Manifesting System