Random Access Memory 
Random-Access Memory 
Rolling Airframe Missile 
Responsibility Assignment Matrix 
Radar Absorbent Material 
Radiation Area Monitor 
Reliability and Maintainability 
Radar Absorbing Materials 
radioactive material 
Reliability, Availability and Maintain… 
radar absorbing material 
radio attenuation measurement 
raised angle marker 
Remote Access Multiplexer 
Radar Absorption Material 
Rarely Adequate Memory 
Real Audio Metafile 
Regional Area Meteorologist 
Reliability, Accessibility and Maintai… 
renormalized atom model 
Requirements Allocation Matrix 
Research and Applications Module 
restricted area molding 
Reverse Annuity Mortgage 
rabbit alveolar macrophages 
Rad Academica de Mexico 
Radar Absorbent Materials 
RADEC analysis and monitor 
radial arm maze 
radial maze