OK, this is possibly on my top five list for any of the costumes that I own. It is totally incredible and I can only imagine what this must have cost the studio to produce. Its no wonder that after its initial use in the Star Trek Enterprise episode "Extinction" that it was re-used in several appearances in other episodes. This is quite simply one of the most amazing pieces I have ever come across.
Played by Roger Cross, Tret is the captain of the containment vessel that eventually attacked the NX-o1 to eradicate the mutagenic virus afflicting several of the Starfleet crew.