I was playing today and fighting he Torians as the Drengin, mostly winning but without enough defenders to keep a few transports from sneaking through and attacking my planets. One very nice class 22 was under threat, so I had it buy a ship to protect it. However, the Torian transport reached it that turn (before the bought ship was actually built), and took the planet. After they took it and my next turn started, the ship I had bought showed up as a Torian ship in orbit around the planet they had taken, with the name and stats of my ship design. Also it was very strange-looking, I'm guessing because the Torians had a differrent hull design so the same pieces turned out to be placed on different hard-points or something.
I ended up taking back the planet, and fought the ship in orbit - the battle was normal, though the ship still looked very strange...sorry I don't have a screenshot or anything, but I thought this was wierd and merited reporting, assuming that this isn't supposed to happen and is an overlooked possibility or something.