What does OSO stand for?

What does OSO mean?

OSO	Orbiting Solar Observatory Governmental » NASA
OSO	Office of Satellite Operations Academic & Science » Meteorology
OSO	Orbiting Solar Observatory Academic & Science » Astronomy
OSO	Outperform Stock Options Business » Stock Exchange
OSO	Office of Systems Operations Academic & Science » Ocean Science
OSO	Operational Support Office Governmental » Military
OSO	Ostsüdost International » German
OSO	Operational Support Officer Governmental » Police
OSO	Oposición Sindical Obrera International » Spanish
OSO	Other Significant Others Internet » Chat
OSO	On Site Optimization Miscellaneous » Unclassified
OSO	Operating System Office Business » General
OSO	Ocean Systems Operation Governmental » NASA
OSO	Office of Security Operations Governmental » FDA