What does S.A. stand for?

What does S.A. mean?

SA	Surface-to-Air Governmental » Military
SA	Spatial Analysis Academic & Science » Physics
SA	Samso Governmental » Suppliers
SA	Solar Atmosphere Governmental » NASA
SA	Special Ale Miscellaneous » Food
SA	Supplied Air Academic & Science » Ocean Science
SA	Services and Agencies Governmental » Military
SA	Set Access Computing » Assembly
SA	Support Administration Governmental » US Government
SA	Smart Ass Computing » Texting
SA	Structured Audio Academic & Science » Electronics
SA	Supporting Arms Governmental » Military
SA	Southern Andes Academic & Science » Geology
SA	Set Attribute Computing » General
SA	Shopping Assistant Business » Positions
SA	Shift Amount Computing » Assembly
SA	Student Apathy Community » Educational
SA	Sets Against Community » Sports
SA	Spaced Antenna Academic & Science » Ocean Science
SA	Student Ambassador Academic & Science » Universities
SA	Specific Animal Medical » Veterinary
SA	Stock Alert Business » Stock Exchange
SA	Slow Away Governmental » Transportation
SA	Short Arc Academic & Science » Mathematics
SA	Scripting Additions Computing » Software