Why, in Star Trek: The Birthright, are the uniforms different between Bashir and the Enterprise crew being that they are in the same episode? Did the Enterprise just not get its delivery
Star Trek: Deep Space Nine – For the Uniform (Review) | the m0vie blog
Why didn't Star Trek: The Next Generation change their uniforms when Deep Space 9 came out? - Science Fiction & Fantasy Stack Exchange
The Lost Era" Uniform Timeline - Star Trek Costume Guide
Redesigning Starfleet's Uniforms for Deep Space Nine — Forgotten Trek
Star Trek: Lower Decks DS9 Flashback Raises Canon Questions | Den of Geek