Farnborough International Airshow

Physics student Katie Ley from Farnborough sits in a mock-up of the Lockheed Martin F-35 Lightning II cockpit at the Farnborough air show in Hampshire, England, on July 14, 2014. The biennial event sees leading companies from the aviation industry showcase their latest technology. The week-long Farnborough airshow opened under a cloud however owing to the absence of the stricken US-built F-35 stealth fighter jet. The F-35, which was grounded in the United States last week because of an engine fire, will not appear as planned on the airshow's first day but might still take part at the end of the week, organisers said.

British Prime Minister David Cameron (2nd R) is pictured as he sits in the cockpit of an Airbus A350 aircraft on the first day of the Farnborough International Airshow in southern England, on July 14, 2014. David Cameron on Monday announced an investment of ?1.1 billion (1.38 billion euros, $1.88 billion) into the armed forces, the bulk of it on intelligence and surveillance equipment.

An Airbus A380-800 taxis for take-off during a flight demonstration at the Farnborough Airshow in Hampshire, southern England, on July 14, 2014. European planemaker Airbus on Monday launched the eagerly-awaited upgrade of its long-haul A330 passenger jet -- the A330neo -- to meet rising demand for cheaper, more fuel-efficient travel.?