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