Some of the older sources, FASA especially, talked about the idea of the stellar powers occasionally selling older ships to other groups (the Orion fleet in the FASAverse is largely of Klingon designs either bought or stolen). Naturally any important equipment would be removed.
How common do you think this would be, and what might be gained by a government like the Federation which doesn't seem to use currency?
How common do you think this would be, and what might be gained by a government like the Federation which doesn't seem to use currency?