The Thor missile site at RAF Harrington was constructed in 1959 and operational until 1963. Thor missiles were the first operational Intermediate-range Ballistic Missile system deployed by the West during the Cold War. In the Cuban Missile Crisis of October 1962 the three missiles at Harrington were made ready to fire. The site is Grade II, first listed: 17-Jun-2011.
Image shows the southern (No.1) emplacement concrete base, blast walls, launcher erector mounting and fuel dump pit footings.