The Gloster Meteor , the first British jet fighter and the Allies' first operational Jet. The Meteor's development was based on its ground-breaking turbojet engines, which was a joint collaboration between the Gloster Aircraft Company and Sir Frank Whittle and his company, Power Jets Ltd. The Meteor was initially used to counter the V-1 German flying bomb threat; total 14 flying bombs were accounted by the war's end. Meteor might not an aerodynamically advanced aircraft but it proved to be an effective and a successful combat fighter. Thousands of Meteors were built to serve in the RAF and other air forces. It was service during the Korean War, Argentina, French Air Force, and Israeli. In 1945, two Meteors were modified for World air speed record, Group Captain H.J Wilson create the first official air speed record by jet aircraft of 975km/h.