SSCA Software Safety Criticality TO Transistor Outline Assessment TOPO Trajectory Operations Officer SSHA Subsystem Hazard Analysis TPA Thickened Pyrophoric Agent SSHA Sub System Hazard Analysis TRL Technical Readiness Level SSN Space Surveillance Network TRR Test Readiness Review SSO Sun Synchronous Orbit TWA Time Weighted Average SSP Space Shuttle Program UAS Unmanned Aircraft Systems SSP System Safety Plan UAV Unmanned Aerial Vehicle SSPP System Safety Program Plan UBC Uniform Building Code SSTP System Safety Technical Plan UDMH Unsymmetrical Dimethylhydrazine START NASA Standards and Technical UDS Universal Documentation System Assistance Resource Tool UFAS Uniform Federal Accessibility STD Standard Standard STD Software Test Description UFC Uniform Fire Code STP Standard Temperature and Pressure UL Underwriters Laboratories STR Software Trouble Reports UL Underwriters Laboratories SW Space Wing Incorporated SWI Wing Instruction UMC Uniform Mechanical Code T.O. Technical UN United Nations TA Technical Authority UNO United Nations Organization TA Technical Authority UNO United Nations Organizations TAA Technical Assistance Agreement US United States TBI Through Bulkhead Initiator USAF United States Air Force TEA Triethyl Aluminum USC United States Code TEB Triethoxy Butane USG United States Government TFE Tetrafluoroethylene United States Strategic Command THF Tetrahydrofuran UT Ultrasonic Test THZ Hazard Zone UV Ultraviolet TIA Telecommunications Industry Association V&V Verification and Validation TID Total Ionizing Dose VAFB Vandenberg Air Force Base TIM Technical Interchange Meeting Vdc Volts, Direct Current TLV Threshold Limit Value VIM International Vocabulary of Metrology TM Test Method VPP Voluntary Protection Program TML Mass Loss Vrms Root Mean Square TMO Transportation Management office WBT Web-Based Training TNT Trinitrotoluene
SSCA Software Safety Criticality Assessment SSHA Subsystem Hazard Analysis SSHA Sub System Hazard Analysis SSN Space Surveillance Network SSO Sun Synchronous Orbit SSP Space Shuttle Program SSP System Safety Plan SSPP System Safety Program Plan SSTP System Safety Technical Plan START NASA Standards and Technical Assistance Resource Tool STD Standard STD Software Test Description STP Standard Temperature and Pressure STR Software Trouble Reports SW Space Wing SWI Wing Instruction T.O. Technical TA Technical Authority TA Technical Authority TAA Technical Assistance Agreement TBI Through Bulkhead Initiator TEA Triethyl Aluminum TEB Triethoxy Butane TFE Tetrafluoroethylene THF Tetrahydrofuran THZ Hazard Zone TIA Telecommunications Industry Association TID Total Ionizing Dose TIM Technical Interchange Meeting TLV Threshold Limit Value TM Test Method TML Mass Loss TMO Transportation Management office TNT Trinitrotoluene TO Transistor Outline TOPO Trajectory Operations Officer TPA Thickened Pyrophoric Agent TRL Technical Readiness Level TRR Test Readiness Review TWA Time Weighted Average UAS Unmanned Aircraft Systems UAV Unmanned Aerial Vehicle UBC Uniform Building Code UDMH Unsymmetrical Dimethylhydrazine UDS Universal Documentation System UFAS Uniform Federal Accessibility Standard UFC Uniform Fire Code UL Underwriters Laboratories UL Underwriters Laboratories Incorporated UMC Uniform Mechanical Code UN United Nations UNO United Nations Organization UNO United Nations Organizations US United States USAF United States Air Force USC United States Code USG United States Government United States Strategic Command UT Ultrasonic Test UV Ultraviolet V&V Verification and Validation VAFB Vandenberg Air Force Base Vdc Volts, Direct Current VIM International Vocabulary of Metrology VPP Voluntary Protection Program Vrms Root Mean Square WBT Web-Based Training
nasa-hdbk-8709.22_with_change_1.docx