The MESA (Modular Equipment Stowage Assembly) set is an additional detail set which you may want to use with your LM as deployed on the moon. This was were some of the astronauts equipment was stored. This represents the MESA from the "H mission" configuration used from Apollo 11 to Apollo 14. It is designed for use wiht the Revell Monogram Lunar Landing kit. This set comes wiht 14 resin and 46 photo etch parts.
NOTE: this is not for the Dragon or Revell Germany 3701 kit.