183 MSS definitions

Mobile Servicing System 
Mobile Satellite Service 
Mass Storage System 
Maximum Segment Size 
Mobile Satellite Services 
Magnetic Sensing System 
Member of the Same Sex 
Multispectral Scanner System 
Management Support Staff 
Management Support System 
Manufacturers Standardization Society 
Medical Surveillance System 
Message Switching System 
Military Supply Standard 
Mobile Service Structure 
mobile stations 
Maintenance Status System 
MAN Switching System 
Management Systems Staff 
Master of Security Science 
Master of Social Science 
Maternity Support Services 
Mechanical Support Systems 
Multiprotocol Switched Services 
Multispectral Scanner 
Multi-Spectral Scanner 
Main support structure 
Management Statistics Subsystem 
Maritime Satellite System 
Marshall-Smith syndrome