What does MOS stand for?

What does MOS mean?

MOS	Ma On Shan, Hong Kong Regional
MOS	Maintenance Operations Support Clerk Miscellaneous » USPS
MOS	Maintenance Override Switch Computing » Hardware
MOS	Make Over Specialist Business » Positions
MOS	Mambo Open Source Computing » Software
MOS	Man Of Steel Miscellaneous » Names and Nicknames
MOS	Man On Street Governmental » Police
MOS	Man On the Street Community » Media
MOS	Man On the Street Governmental » FBI Files
MOS	Man On the Street Community
MOS	Maneuver Observation System Governmental » NASA
MOS	Margin Of Safety Governmental » NASA
MOS	Margin Of Success Business » General
MOS	Margin On Services Business » General
MOS	Marine Observation Satellite Academic & Science » Ocean Science
MOS	Marketing Opportunity Specialist Business » Positions
MOS	Mastery Of Stealth Miscellaneous » Science Fiction
MOS	Mean Opinion Score Community
MOS	Mean Opinion Scoring Governmental » US Government
MOS	Media Object Server Computing » Networking
MOS	medical outcomes Study Medical
MOS	Member of Opposite Sex Governmental » US Government
MOS	Member Of Service Governmental » Police
MOS	Member Of the Service Governmental » Military
MOS	Members, Owners, and Staff Business » General