Multi Media Mail
Magnetism and Magnetic Materials
Maintenance and Material Management
Mars Mission Module
Mass Memory Module
Mesoscale and Microscale Meteorology
Mobile Media Mode
Multi Media Multiplexer
Multimedia Messaging
Aviation Company Meridian
Maintenance Man Minutes
Maintenance Management Manual
malignant melanoma
Manned Mars Mission
marginal metallophilic macrophages
Mart's Monster Mod
Master of Medical Management
material movement management
Materials Management Manual
Mean Man Minutes
medical materiel manager
medium-mass molecules
Meetings, Meditation and Masturbation
Memory Mirror Module
Mercury Motor Meter
Mesoscale & Microscale Meteorology
Methadone medical maintenance
Micro Macro Magician
middle mass molecules
Minnesota Mining and Manufacturing