Spaceflight Abbreviations and Acronyms

1. PLPS
   Propellant Loading and Pressurization System
2. PLS
   Primary Landing Site
3. PLS
   Personnel Launch System
4. PLS
   Propellant Loading System
5. PLSL
   Propellants and Life Support Laboratory
6. PMC
   Permanently Manned Capability (of Space Station)
7. PMD
   PROPELLANT MANAGEMENT DEVICE
8. POD
   Precision Orbit Determination
9. POE
   Pilot Operational Equipment
10. POEM
    Polar-Orbiting Earth Mission
11. POGO
    Pilot Operational Equipment
12. POGO
    Polar Orbiting Geophysical Observatory
13. POGS
    Polar-Orbiting Geomagnetic Survey
14. POP
    Prelaunch Operations Plan
15. PQGS
    Propellant Quantity Gauging System
16. PRB
    Parachute Refurbishment Building
17. PRM
    Posigrade Rocket Motor
18. PSCL
    Propellant Systems Cleaning Laboratory
19. PSDE
    Payload and Spacecraft Development and Experimentation
20. PSF
    Propellant Servicing Facility

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