Hangar 7, aboard Marine Corps Air Station Miramar, Calif., is the newest hangar to the flight line that uses green energy to help sustain its power needs. Buildings like this provide the efficient use of resources by using energy from methane-powered generators at the Miramar Landfill and other natural resources such as solar power providing clean renewable energy. - Hangar 7, aboard Marine Corps Air Station Miramar, Calif., is the newest hangar to the flight line that uses green energy to help sustain its power needs. Buildings like this provide the efficient use of resources by using energy from methane-powered generators at the Miramar Landfill and other natural resources such as solar power providing clean renewable energy.