Spaceflight Abbreviations and Acronyms

1. RLS
   Return To Launch Site
2. RM
   Rendezvous Maneuver
3. RORSAT
   Radar Ocean Reconnaissance Satellite
4. ROSA
   Romanian Space Agency
5. ROSAT
   Roentgen Satellite
6. RP
   Rocket Propellant
7. RPL
   Rocket Propulsion Laboratory
8. RR
   Rendezvous Radar
9. RREA
   Rendezvous Radar Electronics Assembly
10. RREU
    Rendezvous Radar Electronics Unit
11. RSA
    Romanian Space Agency
12. RSRM
    Redesigned Solid Rocket Motor
13. RSSPO
    Resident Space Shuttle Project Officer
14. RTF
    Return To Flight
15. RTLS
    Return To Launch Site
16. RV
    Reentry Vehicle
17. SAB
    Spacecraft Assembly Building
18. SABIR
    Space-Based Interceptor
19. SACS
    Spacecraft Attitude Display
20. SAD
    Spacecraft Attitude Display

Last updated: May 24, 2020 — Total entries: 1,156