Question: What type of Hangar was constructed at  The United States Air Force installation in northeastern Maine ?
Context: Campbell Army Airfield (IATA: HOP, ICAO: KHOP, FAA LID: HOP) is a military airport at Fort Campbell, which is located near Hopkinsville, a city in Christian County, Kentucky, United States.  Previously Campbell Air Force Base, a U.S. Air Force installation from 1947 to 1959, this U.S. Army airfield has two asphalt paved runways: 5/23 is 11,826 by 200 feet (3,605 x 61 m) and 18/36 is 4,500 by 150 feet (1,372 x 46 m).  The airfield currently houses UH-60, CH-47, AH-64, and OH-58 helicopters of the 101st Combat Aviation Brigade and MH-60, MH-47, and MH-6 helicopters of the 160th SOAR.  It is also home to elements of the 159th Combat Aviation Brigade.  Before 2004, all the 101st Airborne Division's Chinooks were in 7th Battalion, 101st Aviation Regiment, and the specialized hangar for those aircraft was built on CAAF.  With the division of those aircraft between the two brigades, a Chinook hangar does not yet exist on the 159th's new home on Saber Army Heliport at the opposite end of post. Oklahoma City Air Force Station (ADC ID: P-52, NORAD-ID: Z-52) is a closed Cold War United States Air Force air defense and communications-electronics headquarters and radar station.  It was located 10 mi east-southeast of Oklahoma City, Oklahoma, just to the southeast of Tinker Air Force Base.  It ceased to be a separate Air Force installation on 1 October 1983, when it merged with Tinker. Laredo Air Force Base is an inactive United States Air Force installation near Laredo, Texas.  First activated in 1942 as Laredo Army Airfield, the facility instructed recruits in aerial gunnery during World War II, then as a United States Air Force base in the 1950s and 1960s, performed Undergraduate Pilot Training (UPT) as part of Air Training Command.  The base was inactivated in 1973 as part of the drawdown after the Vietnam War. Patrick Air Force Base (IATA: COF, ICAO: KCOF, FAA LID: COF) is a United States Air Force installation located between Satellite Beach and Cocoa Beach, in Brevard County, Florida, in the United States.  It was named in honor of Major General Mason Patrick, USAAC.  An Air Force Space Command (AFSPC) base, it is home to the 45th Space Wing (45 SW).  In addition to its "host wing" responsibilities at Patrick AFB, the 45 SW controls and operates Cape Canaveral Air Force Station (CCAFS) and the Eastern Range.  It was originally opened and operated from 1940 to 1947 as Naval Air Station Banana River, a U.S. Navy airfield.  It was then deactivated as a naval installation in 1947 and placed in caretaker status until it was transferred to the Air Force in late 1948. MacDill Air Force Base (MacDill AFB) (IATA: MCF, ICAO: KMCF, FAA LID: MCF) is an active United States Air Force installation located approximately 4 miles (6.4 km) south-southwest of downtown Tampa, Florida.  The "host wing" for MacDill AFB is the 6th Air Mobility Wing (6 AMW) of the Air Mobility Command (AMC), part of AMC's Eighteenth Air Force (18 AF). The Loring Air Force Base Arch Hangar is an arch hangar located at Loring International Airport in Limestone, Maine.  It was constructed by the United States Air Force as part of Loring Air Force Base.  It was constructed at the same time as the base's double cantilever hangar, and was one of the largest monolithic arch structures in the world at the time of its completion. A Double cantilever hangar is a type of hangar that was constructed by the United States Air Force during the Cold War.  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. Hurlburt Field (ICAO: KHRT, FAA LID: HRT) is a United States Air Force installation located in Okaloosa County, Florida, immediately west of the Town of Mary Esther.  It is part of the greater Eglin Air Force Base reservation, and is home to Headquarters Air Force Special Operations Command (AFSOC), the 1st Special Operations Wing (1 SOW), the USAF Special Operations School (USAFSOS) and the Air Combat Command's (ACC) 505th Command and Control Wing.  It was named for First Lieutenant Donald Wilson Hurlburt, who died in a crash at Eglin.  The installation is nearly 6700 acre , and employs nearly 8,000 military personnel. Hahn Air Base was a United States Air Force installation near Kirchberg Germany for over 40 years.  The major unit was the United States Air Force's 50th Fighter Wing during most of the years it was active. 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.  It was one of the largest bases of the U.S. Air Force's Strategic Air Command during its existence, and was transferred to the newly created Air Combat Command in 1992.
Answer: Double cantilever hangar