Acronyms & Abbreviations

The definition of MSS is:

IATA code for Massena International Airport, Massena, New York, United States

Magnetic Sensing System

Main Steam System

Main support structure

Maintenance Selection System

Maintenance Service Support

Maintenance Services South

Maintenance Spare Storage

Maintenance Status System

Major Shore Spares

MAN Switching System

Managed Security Service

Managed Storage System

Management Science Systems

Management Statistics Subsystem

Management Support Staff

Management Support System

Management Systems Staff

Manned Space System

Manpower Staffing Standards

Manufacturer's Standardization Society of the Valve and Fittings Industry

Manufacturers Standardization Society

Manufacturers' Standardization Society

Manufacturing Standardization Society

Manuscripts

Marinesco sjogren syndrome

Maritime Satellite Service

Maritime Satellite System

Market Stabilisation Scheme

Market Statistics Service

Market Surveillance Study

Marshall-Smith syndrome

Martensitic Stainless Steel

Maryland Society of Surveyors

Mass Spectroscopy Society

Mass Storage Services

Mass Storage Subsystem

Mass Storage System

Mass Store System

Mass-Storage System

Master in Space Study

Master of Science in Safety

Master of Security Science

Master of Social Science

Master Specification Sheet

Master's of Social Service

Materials Science in Space

Materials Science Section

Maternal serum screen

Maternal serum screening

Maternity Support Services

Maximum SAEF Size

Maximum Segment Size

Mean scatterer spacing

MEASUREMENT SPECIALTIES, INC.

Mechanical and Structural Subsystems

Mechanical Support System

Mechanical Support Systems

Medical Social Sevices

Medical Student Section

Medical students

Medical Students Section

Medical Superintendents' Society

Medical Support Services

Medical Surveillance System

Medicare Statistical System

Medium Sun Sensor

Meeting Support System

Member of Scientific Staff

Member of the Same Sex

Memorial Secondary School

Meningococcal septic shock

Mental status schedule

Merit Service Star

Message Service System

Message Source Selector

Message Store Server

Message Stores

Message Support Subsystem

Message Switching System

Metal Science Society

Meteorological satellite subsystem

Meteorological Service Singapore

Meteorological Sounding System

Metropolitan Switching System

Microsatellite stability

Microsatellite stable

Microsatellites

Microsoft Solutions for Security

Microsoft Speech Server

Microspheres

Microwave Surveillance System

Middle suprasylvian sulcus

Midwest Sociological Society

Military Sensing Symposia

Military Situation Summary

Military Supply Standard

Milkwood Steiner School

Millimeter Simulation System

Milstar System Simulator

MIMOLA Software System

Mine Search System

Minimum Space Station

Ministerial Support System

Ministry of State Security

Minor surgery suite

Mirror Support Structure

Missile Sight System

Missile Support Software

Missile Support Stand

Missile Surface-to-Surface

Mission Scheduling System

Mission Sequence Software

Mission Specialist Station

Mission Status Summary

Mission Support Schedule

Mission Support Segment

Mission Support Services

Mission support site

Mission Support Software

Mission Support Squadron

Mission Support System

Mission-Management Support System

Mix Seal Surface

Mixed Spectrum Superheater

Mobile Satellite Service

Mobile Satellite Services

Mobile Satellite System

Mobile Satellite Systems

Mobile Security Squadron

Mobile Service Structure

Mobile Service System

Mobile Servicing Station

Mobile Servicing Structure

Mobile Servicing System

Mobile Softswitch Solution

Mobile Space Station

Mobile stations

Mobile Subscriber Station

Mobile Support Station

Mobile Support System

Mobile Switching Subsystem

Mobile-Satellite Service

Mobilization Stationing System

Mobitex Access Number Switching System

Model Secondary School

Modem Substitution Switch

Moderate splenomegaly syndrome

Modified scram system

Modify system state

Modular Space Station

Modular Storage Server

Modular Subcarrier System

Modulation semiconductor structure

Molecular sizes

Monitor Stations

Monosulfide solid solution

Moored Sonobuoy System

Morphine sulfate solution

Morris Air Service

Motion sickness susceptibility

Motion sickness symptoms

Motor Status Scale

Mucus-stimulating substance

Multi-Satellite System

Multi-sensory stimulation

Multi-Spectral Scanner

Multi-System Synchronizer

Multimedia System Services

Multiple sclerosis susceptibility

Multiple SMP Support

Multiprotocol Switched Server

Multiprotocol Switched Service

Multiprotocol Switched Services

Multispectral Scanner

Multispectral Scanner System

Multisystem Software

Municipal sewage sludge

Muscular subaortic stenosis

Musculoskeletal symptoms

Musculoskeletal system

Music Sensor System

Specialized Minesweeper