Marine Corps Base 
Memory Control Block 
Mine Clearing Blade 
mine-clearing blade 
Mobile Construction Battalion 
Multilateral Control Board 
Manage Civilians to Budget 
Managing Civilians to Budget 
Media Control Board 
Message Control Block 
Miniature Circuit Breaker 
Molecular and Cellular Biology 
Molecular and Cellular Biosciences 
movement control battalion 
Air Mercia 
IATA code for McComb/Pike County Airpo… 
macro chromatin body 
Maduro and Curiel's Bank 
Main control building 
Maintenance Control Board 
Maintenance Cycle Base 
Major Crime Branch 
Malaysian Cocoa Board 
Manage Civilian Workforce to Budget 
Management Control Branch 
Management of Civilians to Budget 
Manually Controlled Barrier 
Map Control Block 
Marke Carl Bauer 
Markings Center Brief