[1] (Terminal) Capability Confirm (unter ISO VT)
[2] TMN Coordination Committee
[3] Technical Computing Center
[4] Test Controller Console
[5] Transfer Channel Control (->"IEEE Standard Dictionary")
[6] Trunk Class Code
[7] Test Control Center (->"NASA Acronym List")
[8] Thermal Control Coating (->"NASA Acronym List")
[9] Tucumcari, NM, USA -internationale Fughafen-Kennung