This 9-minute video shows the evaluation of a ILH (Initial Lunar Habitat) model also called a Construction Shack that would potentially house six astronauts on the moon. Test subjects spent 6 hours in the Construction Shack and made suggestions for improvement. This 9-minute video shows the evaluation of a ILH (Initial Lunar Habitat) model also called a Construction Shack that would potentially house six astronauts on the moon. Test subjects spent 6 hours in the Construction Shack and made suggestions for improvement.