I don't know if you could say the walls look different considering it's from the same set. It looks less cluttered because they don't have those free standing gear
I see, it's definitely the same set, thanks. They probably put the wall next to the crewman (watch his right leg) to shield the main energizer room from our view (so where is it aboard the Excelsior
@ King Daniel
Great find! The ceiling of this engine room would perfectly fit inside the Excelsior
's belly or chasm. Of course everything else would be upside down.