Astronautics Abbreviations and Acronyms

1. ROSA
   Romanian Space Agency
2. ROSAT
   Roentgen Satellite
3. ROTV
   Returnable Orbital Transfer Vehicle
4. RP
   Rocket Propellant
5. RPL
   Rocket Propulsion Laboratory
6. RR
   Rendezvous Radar
7. RREA
   Rendezvous Radar Electronics Assembly
8. RREU
   Rendezvous Radar Electronics Unit
9. RRT
   Rendezvous Radar Transponder
10. RRT
    Rendezvous Radar Transducer
11. RSA
    Romanian Space Agency
12. RSLS
    Redundant Set Launch Sequence
13. RSRB
    Redesigned Solidhrocket Booster
14. RSRM
    Redesigned Solid Rocket Motor
15. RSSPO
    Residsnt Space Shuttle Project Office
16. RSSPO
    Resident Space Shuttle Project Officer
17. RTF
    Return To Flight
18. RTLS
    Return To Launch Site
19. RV
    Reentry Vehicle
20. RVAO
    Reentry Vehicle Associated Object

Last updated: May 24, 2020 — Total entries: 1,443