NASA Abbreviations and Acronyms

1. OBS
   Operational Biomed Sensors
2. OBV
   Oxidizer Bleed Valve
3. OC
   Quality Control
4. OC
   Optical Carrier
5. OC
   Optical Character
6. OC
   On-condition
7. OC
   Open Circuit
8. OC
   Orbital Check
9. OC
   Overcurrent
10. OCA
    Optical Company Of America
11. OCAMS
    Osrisis-Rex Camera Suite
12. OCC
    Operations Control Center
13. OCD
    Operational Capability Development
14. OCD
    Operating Control Directives
15. OCDU
    Optics Coupling Data Unit (g&n)
16. OCE
    Ocean Color Experiment
17. OCE
    Optical Control Electronics
18. OCF
    Onboard Computational Facility
19. OCLI
    Optical Coating Laboratory Incorporated
20. OCM
    Organic Content Monitor

Last updated: May 6, 2025 — Total entries: 14,020