What does MASS stand for?

Magic Angle Sample Spinning - Spectroscopy

Manned Activity Scheduling System - NASA

Manned Aircraft Surface to Surface (ACAE)

Manned Aircraft Versus Surface to Surface (ACAE)

MARC - Machine-Readable Cataloging Automated Serials System (PDAA)

MARC-Based Automated Serials System (NITA)

Marine Air Support Squadron

Maritime Air Surveillance Sortie (SAUS)

Maritime Anti-Standing SONAR System (DNAB)

Massa - A Mass - Pharmacy

Massachusetts (AFM)

Massachusetts Association of School Superintendents (SAUO)

Massachusetts Bay (GAAI)

Massage

Massey-Ferguson - NCIC construction equipment make code (NCIC)

Massey-Ferguson - NCIC trailer make code

Massey-Ferguson - NCIC farm equipment make code (NCIC)

Massey-Ferguson - NCIC truck make code

Massive (SAUS)

Master of Arts in Special Studies (PGP)

Material Accountability and Safeguards System (SAUO)

Materials Acquisition Sub-System - Computer science

Mathematical Acceleration Subsystem - An approach to increase the performance of a code

Matrix Analysis Subsystem (MCD)

Maximum Availability and Support Subsystem (VLIE)

Mechanically Accelerated Sabot System - Generation of high-density molecular beams

Medicine, Angioplasty, or Surgery Study (DMAA)

Membrane Affinity Separation System

Memorandum Accounts Statement System (DCTA)

MICAP - Mission Critical Parts Asset Sourcing System (DOMA)

Michigan Aging Services System (SAUO)

Michigan Automatic Scanning System (IEEE)

Microsystem Analysis and Simulation System (SAUO)

Military Agency for Supply and Service (SAUO)

Military Airlift Support Squadron - Air Force

Military Airlift Survivability Study (ACAE)

Military Approach and Surveillance System (SAUO)

Missile and Space Summary (MCD)

Missiles/Ammunition System Study

Mission Avionics Sensor Synergism (SAUS)

MOBCON - Mobilization Movement Control Automated Support System - Military technology (DDF)

Mobility Analysis Support System - Air Force

Mobilization Automated Support System (SAUO)

Modern Army Supply System

Modular Adaptive Signal Sorter

Modular Aircrew Simulation System (SAUS)

Money Advice Support Services (BUAC)

Monitor and Assembly System - or Subsystem - Computer science (BUR)

Multiple Access Sequential Selection - Computer science (BUR)

Multiple Access Switching System (NITA)

Multiple Array Serial Scan (ACAE)

Multi-role Aid & Support Ship (SAUS)

Massachusetts (BEE)

Massachusetts Supreme Judicial Court Reports - A publication (DLA)

Massage (DMAA)