Hawker Siddeley Harrier single lever added in the cockpit. For horizontal flight, the nozzles are directed rearwards by shifting the lever to the forward position; for short or vertical takeoffs and landings, the lever is pulled back to point the nozzles downwards. The Harrier has two control elements not found in conventional fixed-wing aircraft: the thrust vector and the reaction control system. The thrust vector refers to the slant of the four engine nozzles and can be set between 0° (horizontal, pointing directly backwards) and 98° (pointing down and slightly forwards). The 90° vector is normally deployed for VTOL manoeuvring. The reaction control
Joint Force Harrier combined the Royal Navy's two Sea Harrier FA2 squadrons with the RAF's four Harrier GR7/7A squadrons under a single command structure within RAF Strike Command. This force was to be deployable from both "Invincible" class aircraft carriers, Royal Air Force stations and deployed air bases. The Royal Navy's contribution to the force was the Sea Harrier previously part of Naval Air Command. . In 2006, No. 3 Squadron RAF converted to the Eurofighter Typhoon. In the same year, the Sea Harrier was retired and 800 Naval Air Squadron re-equipped with former 3 Squadron Harrier GR7 and GR9 aircraft. At the