[1] Test Request Responder
[2] Target Ranging Radar (->“IEEE Standard Dictionary”)
[3] Topical Report(s) Request/Review (->“IEEE Standard Dictionary”)
[4] Token Ring Repeater
[5] Test Readiness Review
[6] Trincomalee, Sri Lanka - internationale Fughafen-Kennung
[7] Test Readiness Review Board (->“NASA Acronym List”)