Bremen Airport
Two habitable modules were built, named "LM1" and "LM2". LM1 is on display at the Udvar-Hazy Center at the Smithsonian Air and Space Museum behind the Space Shuttle "Discovery". LM2 was on display in the "Bremenhalle" exhibition in the Bremen Airport of Bremen, Germany from 2000 to 2010. It is residing in building 4c at the nearby Airbus Space and Defence plant since 2010 and can only be viewed during guided tours.