Medical Research Council 
major regional conflict 
Maintenance Requirement Cards 
Maintenance Requirement Card 
Medical Reserve Corps 
Mississippi River Commission 
Monthly Recurring Charge 
Major Regional Contingencies 
Major Regional Contingency 
Material Review Crib 
MERCRUISER 
Mopar Canada 
Multiple Register Counter 
Machine-readable code 
Maintenance Requirements Cards 
Manpower Requirements Change 
Massachusetts Rehabilitation Commissio… 
Master Reference Code 
Master Requirements Code 
Material Review Center 
Materiel Release Confirmation 
Mathematics Research Center 
Maximum Ratio Combining 
Measurement Requirements Committee 
Mekong River Commission 
Meteorological Research Committee 
MF Receiver Card 
Microwave Radio Communications 
Mission Research Corporation 
Motorized Rifle Company