The Cockpit interior is a standard type, which was only used on early pre war Heinkel 111's - most used the fully glazed nose seen on the flying model prop.
Rimmer's hard-light bee is indestructible, yet Ace is also a hard-light and his was damaged by a bullet.
At the end when Rimmer accidentally hits the eject button, the wires on the miniature Rimmer are visible.