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Office of Space Science
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OEX Support System
in NASA
Office of Space Station
in NASA
Operational Support System
in NASA
Optics Sub-System
in NASA
Orbiting Space Station
in NASA
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Similar to OSS
A/A - Air to Air
A/C - Aircraft
A/C - Associate Contractor
A/C - Air Conditioning
A/D - Analog-to-Digital
A/E - Architectural and Engineering
A/E - Activity Elements
View all in NASA