|TA13||Ground and Launch Systems Processing Technology Area|
|TA14||Thermal Management Systems Technology Area|
|TABS||technology area breakdown structure|
|TBCC||turbine-based combined cycle|
|TDRSS||Tracking and Data Relay Satellite System|
|TPS||thermal protection system(s)|
|TRL||technology readiness level|
|USAF||U.S. Air Force|
|V&V||verification and validation|
|VASIMR||Variable Specific Impulse Magnetoplasma Rocket|
|VDFL||virtual digital flight leader|
|VSM||vehicle systems management|
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Steering Committee for NASA Technology Roadmaps, National Research Council, National Academies "
Appendix C: Acronyms ."
NASA Space Technology Roadmaps and Priorities: Restoring NASA's Technological Edge and Paving the Way for a New Era in Space . Washington, DC: The National Academies Press,
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