Hawker Siddeley Harrier AV-8As to the AV-8C configuration—the work focused mainly on extending useful service lives and improving VTOL performance. The AV-8C and the remaining AV-8A Harriers were retired by 1987. These were replaced by the Harrier II, designated as the AV-8B, which was introduced into service in 1985. The performance of the Harrier in USMC service led to calls for the United States Air Force to procure Harrier IIs in addition to the USMC's own plans, but these never resulted in Air Force orders. Since the late 1990s, the AV-8B has been slated to be replaced by the F-35B variant of the
1956 Hawker Hunter multiple aircraft accident the pilots were all competent, the aircraft were serviceable and had adequate fuel and endurance for the planned mission. The Air Officer Commanding-in-Chief Fighter Command decided that disciplinary action should be taken against officers in charge of flying operations at West Raynham. One officer was reproved and removed from his job and three other officers were reproved. 1956 Hawker Hunter multiple aircraft accident On 8 February 1956 the Royal Air Force lost six Hawker Hunter jet fighters in a multiple aircraft accident. Eight aircraft from RAF West Raynham had been carrying out a 4x4 dogfight exercise at . Upon completion