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Mountain Home Air Force Base is a major United States Air Force installation in the high desert of southwestern Idaho, home to the 366th Fighter Wing's F-15E Strike Eagles and a long-term Republic of Singapore Air Force F-15SG detachment. Its enormous 13,500-foot runway and Cold War pedigree as a bomber and missile base make it a striking feature for any simulator pilot exploring the region, though the field remains an active military installation closed to civilian traffic.
Mountain Home Air Force Base is a United States Air Force installation in southwestern Idaho, hosting the 366th Fighter Wing, nicknamed the Gunfighters, flying the F-15E Strike Eagle. The base also hosts a long-standing Republic of Singapore Air Force detachment of F-15SG aircraft, with the 428th Fighter Squadron operating as a joint USAF-RSAF unit. For a simulator pilot the field is notable for its exceptionally long single runway, its Cold War history as a Strategic Air Command bomber and Titan missile base, and its ongoing role as a frontline fighter training station.
The base lies in Elmore County, Idaho, about twelve miles southwest of the town of Mountain Home and roughly forty miles southeast of Boise via Interstate 84. It sits on a high desert plateau between two mountain ranges, with the Saylor Creek and Juniper Butte training ranges nearby providing extensive military training airspace used in conjunction with the base.
The field has a single physical runway, 12/30, measuring approximately 13,488 feet in length with a hard, lit surface and served by an instrument landing system. This makes it one of the longest runways associated with any US Air Force base, reflecting its role in supporting heavy bomber operations historically and fast-jet fighter operations today.
Published frequencies include Approach on 124.8 MHz, ATIS on 27.35 MHz, Clearance Delivery on 127.1 MHz, Departure on 37.12 MHz, Ground on 120.5 MHz, PMSV Metro on 34.25 MHz, Command Post on 38.13 MHz, PTD on 138.9 MHz, Boise Radio on 122.6 MHz, and Tower on 133.85 MHz. The runway is equipped with an instrument landing system.
Construction of the base began in November 1942 and the field officially opened on 7 August 1943, initially intended as a training base for B-17 Flying Fortress crews under the 396th Bombardment Group. Before B-17s arrived, the mission shifted to B-24 Liberator crew training, carried out successively by the 470th, 490th and 494th Bombardment Groups through 1943 and 1944. The base was placed in inactive status in October 1945 at the end of the war. It reopened in December 1948 under the newly independent US Air Force, with the 4205th Air Base Group activated to prepare it for operational use. In 1953 the base passed to Strategic Air Command, which based the 9th Bombardment Wing there flying B-29 bombers and KB-29H tankers, later converting to B-47 Stratojets and KC-97 tankers through the 1950s and early 1960s as part of the Cold War deterrent force. From 1959 three Titan missile sites were built in the surrounding area, becoming operational in 1962 under the 569th Strategic Missile Squadron, part of the redesignated 9th Strategic Aerospace Wing. The missile sites closed by mid-1965 as part of a wider round of Department of Defense base closures. As the B-47 was phased out, the base transferred from Strategic Air Command to Tactical Air Command in early 1966 with the arrival of the 67th Tactical Reconnaissance Wing, marking its shift to a fighter base. The 366th Fighter Wing has been the host unit since 1972. The Republic of Singapore Air Force began training at Mountain Home in 1998, having previously trained at Luke Air Force Base in Arizona since the 1980s. In October 2025 the US Secretary of Defense announced a letter of acceptance with Qatar to establish a Qatar Emiri Air Force facility at the base, intended to host a contingent of F-15 aircraft.
Mountain Home Air Force Base remains an active US Air Force installation and is not open to the public. It is home to the 366th Fighter Wing operating F-15E Strike Eagles, alongside the 552nd Air Control Wing and the 124th Fighter Wing, and hosts a long-term Republic of Singapore Air Force detachment of F-15SG aircraft integrated into the joint 428th Fighter Squadron. Its remote location adjacent to the Saylor Creek and Juniper Butte ranges supports large-force exercises and advanced combat training. As a military airfield, any visiting flight would require prior permission.
