NASA Acronyms

Alphabetical Listing of NASA Acronyms

  • OSP — Operations Support Plan
  • OSR — Operations Support Room
  • OSS — OEX SuPport System
  • OSS — Office Of Space Science
  • OSS — OPtics Subsystems
  • OSS — Orbiting Space Station
  • OSSA — Office Of Space Science And Applications
  • OSSRH — Orbiter Subsystem(s) Requirements Handbook
  • OST — Operations Support Team (GSFC)
  • OST — Orbiter SuPport Trolley
  • OSTA — Office Of Space And Terrestrial Application(s)
  • OSTDS — Office Of Space Tracking And Data Systems
  • OSTO — Office Of Space Transportation Operations
  • OSTP — Orbiting System Test Plan
  • OSTS — Office Of Space Transportation Systems
  • OT — Operating Time
  • OT — Operational Instrumentation MDM-Tank
  • OT — Operational Test
  • OT — Operational Trajectory
  • OT — Optical Tracker
  • OT — Out Temperature
  • OT — Overti Me
  • OT&E — Operational Test And Evaluation
  • OTA — Optical Telescope Assembly
  • OTB — Orbiting Tanker Base
  • OTBD — Outboard
  • OTC — Orbiter Test Conductor
  • OTD — Operational Technical Documentation
  • OTD — Orbiter Test Director
  • OTDA — Office Of Tracking And Data Acquisition (now OSTDS)
  • OTEMP — Overtemperature
  • OTH — Over-the-Horizon (.Radar)
  • OTK — Oxidizer Tank
  • OTL — Ordnance Test Laboratory
  • OTLC — Orbiter Timeline Constraints
  • OTO — One-Time-Only
  • OTOS — Orbit-to-Orbit Stage
  • OTP — OPerational Test Procedure
  • OTP — Operations Test Plan
  • OTP — Operations Turnaround Plan
  • OTR — Operating Time Record
  • OTR — Outer
  • OTS — Off-the-Shelf
  • OTS — Orbiter Test Conductor
  • OTT — Optional Team Targeting
  • OTV — Operational Television
  • OTV — Orbital Transfer Vehicle
  • OTV — Orbiter Transfer Vehicle
  • OTY — Quantity
  • OUI — Quito
  • OUP — OFS UPlink Processor
  • OUT — Orbiter Utilities Tray
  • OUT — Outlet
  • OUT — Output
  • OUTBD — Outboard
  • OV — Orbiter Vehicle
  • OV — Orbiter Vehicle
  • OV — Oxygen Vent
  • OVBD — Overboard
  • OVCO — Operational Voice Communication Office
  • OVF — Overfill
  • OVFL — Overf Low
  • OVHD — Overhead
  • OVHT — Overheat
  • OVI — Operational Validation Inspection
  • OVLD — Overload
  • OVRD — Override
  • OVS — Operational Voice System
  • OVV — Overvoltage
  • OW — Optical Window
  • OWD — One-Way Doppler
  • OWDE — One-Way Doppler Extraction
  • OWF — OPtimum Working Frequency
  • OX — Oxidizer
  • OXD — Oxide
  • OXDZR — Oxidizer
  • OXID — Oxidizer
  • OXY — Oxygen
  • OZ — Ounce
  • OZ — Ozone
  • P — Pallet (Spacelab)
  • P — Period
  • P — Pilot
  • P — Pitch
  • P — Pole
  • P — Pressure
  • P — Primary
  • P — Prime
  • P — Roll Rate (Angular Rate)
  • P&FS — Particles And Fields Subsatellite
  • P&I — Performance And Interface (Specification)
  • P&M — Performance Monitor
  • P&M — Phase Modulation (Modulated)
  • P&M — Planetary Mission
  • P&M — Preventive Maintenance
  • P&M — Processes And Materials
  • P&M — Program Milestone
  • P&M — Pulse Modulation
  • P&R — Performance And Resources
  • P&SM — Procurement And Subcontract Management

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