This design is based on the Starfleet operations uniform as worn by Starfleet officers whose job entailed engineering, operations or security in Star Trek: The Next Generation.
Complete with pips representing the rank of Lieutenant Commander and the 2360s era combadge shaped like a Starfleet insignia, this is a great Star Trek design sure to make you look quite awesome.
Watching Star Trek while wearing this design on a t-shirt is a whole new experience, so be sure to have some nice hot Earl Grey tea to hand as you command your crew to "Make it so".
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