253 MCC definitions

Mission Control Center 
Mobile Country Code 
Master Control Center 
Maintenance Control Center 
Motor Control Center 
Movement Control Center 
Main Combustion Chamber 
Mobile Command Center 
Main Control Center 
maintenance control circuit 
Master Control Console 
Mennonite Central Committee 
Mission Control Centre 
Macomb Community College 
Main Control Circuit 
Martinsburg Computing Center 
MECHANIC'S CIRCLE 
Mercury Control Center 
mesoscale convective complex 
Military Coordinating Committee 
missile combat crew 
Mission Control Centers 
Mission Control Complex 
mobility control center 
Modified Continuous Cooking 
Mott Community College 
Movement Coordination Center 
Multichannel Communication Controller 
Multiple Computer Complex 
Main Control Console