NASA Acronyms

Alphabetical Listing of NASA Acronyms

• TTU — Timing Terminal Unit
• TTV — Termination
• TTY — Teletype
• TU — Technical Utilization
• TU — Technology Utilization
• TU — Transport Unit
• TUL — Tula Peak
• TURB — Turbine
• TV — Television
• TV — Thermal Vacuum
• TV — Thrust Vector
• TV — Transport Vehicle
• TVA — Thrust Vector Alignment
• TVAR — Test Variance
• TVC — Thermal Vacuum Chamber
• TVC — Thrust Vector Control
• TVC — Thrust Vector Control
• TVCA — Thrust Vector Control Actuator
• TVCD — Thrust Vector Control Driver
• TVCS — Thrust Vector Control System
• TVEXPIS — TV Experiment Interconnecting Station
• TVN — Test Verification Network
• TVP — Test Verification Program
• TVS — Toxic Vapor Suit
• TVSA — Thrust Vector Control Servoamplifier
• TVSSIS — TV Subsystem Interconnecting Station
• TVT — Thermal Vacuum Test
• TVTA — Thermal Vacuum Test Article
• TW — Tailwind
• TW — Thumbwheel
• TW — Time Words
• TW — Traveling Wave
• TWD — Twisted Double Shielded
• TWL — Total Weight Loss
• TWR — Tower
• TWT — Traveling Wave Tube
• TWT — Trisonic Wind Tunnel (Rockwell)
• TWTA — Traveling Wave Tube Amplifier
• TWX — Teletype Wire Transmission
• TX — Translation Hand Controller X-Axis Direction
• TX — Transmit Channel
• TX/RX — Transmitter/Receiver
• TY — Translation Hand Controller Y-Axis Direction
• TYP — Typical
• TZ — Translation Hand Controller Z-Axis Direction
• U — Underfloor
• U — Uranium
• U-SB — Unified S-Band
• U/C — Under Current
• U/D — Update
• U/L — Uplink (UPLK Preferred)
• U/M — Unit Of Measure
• U/M — Unmanned
• U/M — Unscheduled Maintenance
• U/O — Used On
• U/V — Under Voltage
• U/W — Used With
• UA — Microampere
• UB — Upper Brace
• UB — UpUtility Bridge
• UBE — Universal Bus Exercisor
• UBIC — Universal Bus Interface Controller
• UC — Unsatisfactory Condition
• UCC — Universal Checkout Console
• UCD — Urine Collection Device
• UCN — Uniform Control Number
• UCPU — Urine Collection And Pretreatment Unit
• UCR — Unsatisfactory Condition Report
• UCS — Universal Control System
• UCS — UnUtilities Control System
• UCTA — Urine Collection Transfer Assembly
• UD — Update
• UDB — Update Buffer
• UDF — Utility And Data Flow
• UDL — Updata Link
• UDL — Update Link
• UDMH — Unsymmetrical Dimethylhydrazine
• UDMH/H — Unsymmetrical Dimethylhydrazine Hydrazine Blend
• UDOP — Ultrahigh Doppler
• UDS — Universal Documentation System
• UER — Unique Equipment Register
• UF — Microfarad
• UFD — User File Directory
• UG — Microgram
• UHF — Ultrahigh Frequency
• UHF — Ultrahigh Frequency
• UL — Underload
• UL — Unit Of Issue
• UL — Uplink
• UL — Upper Left (S-Band Antenna)
• UL — Upper Limit
• UL — User Interface
• ULA — Fairbanks
• ULL — Ullage
• ULO — Unmanned Launch Operations
• ULT — Ultimate
• UMB — Umbilical
• UMBC — Umbilical Cord Cable
• UMO — Unmanned Orbital
• UMVF — Unmanned Vertical Flight