At each end of the main 10,000-foot runway are a dozen hardened aircraft shelters known as "Trapezoids" or "Yugos" which were built by Yugoslavian contractors some time prior to 1985 with multiple runways and taxiways, patterned after their Russian counterparts. Coalition forces bombed it in the 2003 invasion of Iraq. Officially it remains it remains in use by the United States Army as Forward Operating base Tall Afar, but it is currently held by ISIS forces.