Royal Air Force in exercies for Olympic Games

A technician works on a Royal Air Force Typhoon jet, one of four which arrived to take part in defence exercises in advance of the London 2012 Olympic Games, at RAF Northolt in west London May 2, 2012. [Photo/Agencies]

A Royal Air Force Typhoon jet taking part in defence exercises in advance of the London 2012 Olympic Games lands at RAF Northolt in west London May 2, 2012. [Photo/Agencies]