 As part of Operation Enduring Freedom, the Royal Air Force and Royal Navy also had based a squadron of Harrier GR7A aircraft at Kandahar Airfield to provide close air support to coalition ground forces replacing USMC AV-8B's.After June 2009 under Operation Herrick they were replaced by a squadron of Panavia Tornado GR4 aircraft, carrying out close air support and recce missions.The Royal Air Force also has a detachment of C130 K and J model Hercules transport aircraft from 24, 30, 47 and 70 Squadrons and its attached Engineering detachment from 24/30 and 47/70 Engineering Squadrons as part of No.