What type of Hangar was constructed at  The United States Air Force installation in northeastern Maine ?
Double cantilever hangar: A Double cantilever hangar is a type of hangar that was constructed by the United States Air Force during the Cold War. Double cantilever hangar:  Large hangers were constructed at Castle Air Force Base, Loring Air Force Base, Carswell Air Force Base, and Travis Air Force Base, while smaller hangars were constructed at March Air Force Base, Edwards Air Force Base, Hanscom Air Force Base, and Homestead Air Force Base. Loring Air Force Base: Loring Air Force Base (IATA: LIZ, ICAO: KLIZ) was a United States Air Force installation in northeastern Maine, near Limestone and Caribou in Aroostook County.
Double cantilever hangar