What does TRIA stand for?

Target Radiant Intensity, Aerobee (SAA)

Telemetry Range Instrumentation Aircraft

Temperature Removable Instrument Assembly - Nuclear energy (NRCH)

Terrorism Risk Insurance Act - Federal reinsurance in the event of a terrorist attack

Tracking Range Instrumented Aircraft (PDAA)

Trail Mate Trailer Company - NCIC trailer make code

Triacontanol - Plant growth regulator

Triangle Express - Common carrier symbol

Triangulum - Constellation