(Main list of acronyms) T – (s) Tera – tesla – tritium TA ta – (s) Tamil language (ISO 639-1 code) Ta – (s) Tantalum TA – (i) Target Acquisition – Teaching Assistant – (s) teraampere – (i) Territorial Army (UK) – (s) Tristan da Cunha (ISO 3166 digram) TAA – (i) Transparency Anti-Aliasing – (a) Trans Australia Airlines TAACOM – (p) U.S. Theater Army Area Command TAADCOORD – (p) Theatre Army Air Defence Co-ordinator TAAR – (i) Trace Amine-Associated Receptor TAC – (a) U.S. Tactical Air Command (1946–1992) TACAMO – (p) Take Charge and Move Out (U.S. military) TACAN – (p) Tactical Air Navigation TACC – (i) Tactical Air Control Centre – (USAF) Tanker Airlift Control Center TACCO – (p) Tactical Coordinator TACCSF – (i) U.S. Theater Aerospace Command & Control Simulation Facility TACDAR – (p) Tactical Detection And Reporting TACP – (i) Tactical Air Control Party – Technology Applications Certification Program TACSOP – (p) Tactical SOP (Standing Operating Procedure) TADIL – (p) Tactical Digital Information Link TADL – (a) Tactical Air Data Link ("taddle") TADSS – (i) Training Aids, Devices, Simulators, and Simulations TAF - (i) Trading Activity Fee assessed by FINRA to recover the costs of supervising and regulating firms. tah – (s) Tahitian language (ISO 639-2 code) TAI – (i) Target[ed] Area of Interest TAJ – (i) Tom and Jerry TAJT – (i) Tom and Jerry Tales TALES – (a) Technical Advice and Lexicon for Enabling Simulation tam – (s) Tamil language (ISO 639-2 code) TAN – (s) Tanzania (IOC and FIFA trigram, but not ISO 3166) TANJ – (a) There Ain't No Justice (used as expletive in the Ringworld novels) TANP – (i) Terrain-Aware Network Planner TANSTAAFL – (a) There Ain't No Such Thing As A Free Lunch (coined by author Robert A. Heinlein in his The Moon Is a Harsh Mistress) TAPPS – (a) Texas Association of Private and Parochial Schools TARDIS – (a) Time And Relative Dimension In Space (from Doctor Who) TARP – (a) Transparency Accountability Rights for Parents (coined by Karen Plumridge, founder of Black Ribbon Gold Heart) TAROT – (a) Télescope à action rapide pour les objets transitoires (French, "Transient Object Rapid Action Telescope") TAS – Tasmania (postal symbol) TASER – (a) Thomas A. Swift's Electric Rifle TASM – (i) Tactical Air-to-Surface Missile tat – (s) Tatar language (ISO 639-2 code) TAT – (i) Tourism Authority of Thailand TATP –