Space Abbreviations and Acronyms

1. OSF
   Ordnance Storage Facility
2. OSGC
   Ontario Sikhs and Gurdwaras Council
3. OSI
   Office of Strategic Infrastructure
4. OSIRIS
   Optical, Spectroscopic, and Infrared Remote Imaging System
5. OSIRIS
   Optical, Spectroscopic and Infrared Remote Imaging System
6. OSIRIS
   Ohio State Infrared Imager/Spectrometer
7. OSIRIS-3U
   Orbital Satellite for Investigating The Response of The Ionosphere To Stimulation and Space Weather - 3 Unit Cubesat
8. OSIRIS-REX
   Origins-Spectral Interpretation-Resource Identification-Security-Regolith Explorer
9. OSL
   Orbiting Solar Laboratory
10. OSLDS
    Optically Stimulated Luminescenee Detectors
11. OSM
    Orbital Service Module
12. OSNSAT
    Open Space Network Satellite
13. OSO
    Operations Support Officer
14. OSO
    Orbiting Solar Observatory
15. OSO
    Orbiting Solar Observatories
16. OSOP
    Orbiter Systems Operating Procedures
17. OSOS
    Orbiting Solar Observatories
18. OSPL
    Overall Sound Pressure Level
19. OSR
    Optical Solar Reflector
20. OSR
    Optical Solar Reflectors

Last updated: August 3, 2021 — Total entries: 12,486