Spaceflight Abbreviations and Acronyms

  1. PSIG
    Propulsion Systems Integration Group
  2. PSM
    Propellant Storage Module
  3. PSS
    Propellant Supply Subsystem
  4. PSV
    Planetary Space Vehicle
  5. PTCS
    Propellant Tanking Computer System
  6. PTV
    Pathfinder Test Vehicle
  7. PU
    Propellant Utilization
  8. PU
    Propellant Unit
  9. PUCS
    Propellant Utilization Control System
  10. PUGS
    Propellant Utilization and Gauging System
  11. PUV
    Propellant Utilization Valve
  12. PVA
    Propellant Valve Actuator
  13. PVA
    Preburner Valve Actuator
  14. PVO
    Pioneer Venus Orbiter
  15. PVT
    Preflight Verification Test
  16. PVT
    Pyrotechnic Verification Test
  17. QRSL
    quick-reaction space laboratory
  18. QTV
    Qualification Test Vehicle
  19. RA
    Radar Altimeter
  20. RADALT
    Radar Altimeter

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