NASA Abbreviations and Acronyms

1. UFLB
   Unaberrated Focused Light Beam
2. UHF
   Ultra High Frequency
3. UI
   User Interface
4. UI
   Unit of Issue
5. UL
   User Interface
6. UL
   Underload
7. UL
   Unit of Issue
8. UL
   Uplink
9. ULA
   Fairbanks
10. ULE
    Ultra Low Expansion
11. ULL
    Ullage
12. ULT
    Ultimate
13. UM
    Micrometer
14. UM
    Unscheduled Maintenance
15. UM
    Unit of Measure
16. UMA
    University of Massachusetts Amherst
17. UMA
    University of Massachusetts Art
18. UMASS
    University of Massachusetts Amherst
19. UMB
    Uxbilical
20. UMB
    Umbilical

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