The Niagara Falls Air Force Missile Site was a Cold War USAF launch complex for Boeing CIM-10 Bomarc surface-to-air missiles. It was operated by the 35th Air Defense Missile Squadron. Equipped only IM-99Bs, the site had 48 Model IV "coffin" shelters, after an initial design with a secure area of ~20 acres (8.1 ha) to have 28 shelters. Launch control for the site's missiles was by central NY's "Hancock Field combined direction-combat center" (CC-01/DC-03) at Syracuse, New York. DC-03 was operational on December 1, 1958;