NASA Abbreviations and Acronyms

1. UPLK
   Uplink
2. UPN
   Unique Project Number
3. UPN
   Universal Product Number
4. UPP
   User Parameter Processing
5. UPPR
   Upper
6. UPR
   Upper
7. UPS
   Uninterruptible Power Supply
8. UPS
   User Planning System
9. UPS
   Uninterruptable Power Source
10. UPS
    Undergraduate Professional Study Program
11. UPTLM
    Uplink Telemetry
12. UR
    Urine
13. UR
    Unsatisfactory Report
14. URA
    Urine Receptacle Assembly
15. URN
    Urine
16. URT
    Upright
17. US
    United States of America
18. US
    Microsecond
19. US
    Upper Stage
20. USA
    United States of America

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