F-35 debut at Farnborough airshow The world’s most advanced fighter jet, the F-35 Lightning II, is making its first appearance at the Farnborough airshow in the UK this summer F-35B jump jet variant F135 turbofan engine Main lift fan door Auxiliary lift fan door Payload bay door Pilot: Headset gives 360° view of battlefield Optical targeting system AESA* radar Thrust vectoring nozzle Directs full thrust of engine down for vertical takeoff and landing Roll post ducts: Underwing nozzles use engine bleed air to provide lateral stability during low speed and hover Stealth Angular structure and “fibre mat” coating help to disperse hostile radar waves Length 15.6m Wingspan 10.7m Speed Mach 1.6 Range 1,667km Lift fan: Powered by driveshaft from jet engine – balances lift generated at tail Weapons payload 6,800kg Max. thrust 178kN F-35 orders U.S. 2,443 Britain 138 Australia 100 Turkey 100 Italy 90 Canada 65 Norway 52 Japan 42 South Korea 40 Netherlands 37 Israel 33 Denmark 27 Sources: Lockheed Martin, wire agencies *Active electronically scanned array