What Does SSO Stand For?

SSO has more than one possible meaning :

• SSO - Safety Signification Operation
• SSO - Source Selection Official
• SSO - Space Shuttle Orbiter
• SSO - Spurious Shut Off
• SSO - Submarine Oiler
• SSO - Subsystem Operation In Spacelab
• SSO - Support System For Oex

If you know of another acronym for SSO, please suggest it as a new acronym for SSO.