NASA Abbreviations and Acronyms

1. PCN
   Page Change Notice
2. PCN
   Procurement Control Number
3. PCN
   Program Control Number
4. PCO
   Postcheckout Operations
5. PCO
   Postcheckout
6. PCO
   Program Controlled Output
7. PCOT
   Payload Center Operations Team
8. PCP
   Power Control Panel
9. PCR
   Payload Checkoutroom
10. PCR
    Payload Changeout Room
11. PCR
    Power Change Request
12. PCR
    Publication Change Request
13. PCRB
    Operations)
14. PCRB
    Program Change Review Board (ri Launch
15. PCS
    Personal Communication Service
16. PCS
    Pointing Control System
17. PCS
    Payload Checkout System
18. PCS
    Payload Control Supervisor
19. PCS
    Pressure Control System
20. PCS
    Procedure Completion Sheet

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