Mission Operations Center 
Mars Orbiter Camera 
Mars Observer Camera 
Mission Operations Centre 
Master Operational Controller 
meridional overturning circulation 
Managed Object Class 
Management of Change 
Marine Operation Center 
Microsoft Official Curriculum 
Ministery of Communication 
Mission Operation Computer 
Mission Operations Computer 
Mobile Originating Call 
Main Operations Center 
Maintenance and Operations Console 
Maintenance Operational Check 
Maintenance Operations Center 
Market On Close 
Mars Orbital Camera 
Master Operations Center 
MERS Operations Center 
Minimum Obstacle Clearance 
minimum obstruction clearance 
Ministry Of Commerce 
Ministry of Communications 
Mint on card 
Mission Operation Center 
Mission Operations Contract 
Mission Operations Contractor