Test Access Port 
Transition Assistance Program 
Technical Assistance Program 
Termination and Adaptation Performer 
Theater Air Planner 
Taxpayer Advocacy Panel 
Technical Advisory Panel 
Telephone Assistance Plan 
Teletex Access Protocol 
Telocator Alphanumeric Protocol 
Test Access Path 
Thermal Analyzer Program 
Thoroughfare Assessment Program 
Toxicological Agent Protective 
Transferred Account Procedure 
Two-Step Approval Process 
Take A Pill 
tandem affinity purification 
tank advisory panel 
Technical Achievement Plan 
Technician Apprenticeship Program 
Technology Adoption Program 
Technology Area Plan 
Telelocator Alphanumeric Protocol 
Telocator Alphanumeric input Protocol 
Terminal Area Productivity 
Terrain Analysis Package 
Test Access Part 
Test Access Point 
Test Administration Plan