NASA Abbreviations and Acronyms

1. LO
   Liquid Oxygen
2. LO
   Lock-On
3. LO PR
   Low Pressure
4. LO2
   Liquid Oxygen
5. LOAD
   Low-Altitude Defense
6. LOAP
   List of Applicable Publications
7. LOB
   Left Outboard
8. LOB
   Low-Order Bit
9. LOB
   Low-Order Byte
10. LOC
    Lines of Code
11. LOC
    Loss of Crew
12. LOCB
    Launch Operations Control Building
13. LOCC
    Launch Operations Control Center
14. LOCKHEED
    Lockheed Martin Corporation
15. LOCS
    Local Optical Correction System
16. LOD
    Letter Of Delegation
17. LOE
    Left Outboard Elevon
18. LOE
    Level of Effort
19. LOE
    Line of Effort
20. LOFAR
    low-frequency acquisition and ranging

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