thea - trai
- TRACEN
- tracer
- tracer bullet
- tracer incendiary (projectile)
- TRACEX
- track
- track commander
- track crossing angle
- track data
- track data central
- track data simulator
- track data storage
- track display
- track evaluation computer
- track identity
- track initiation and prediction
- track initiator
- track number
- track presentation system
- track production area
