Three part documentary of the history of the Royal Air Force during World War Two. They combine actual Air Ministry films and period newsreel footage with interviews of surviving members of the air force. The first part covers the period from the 'phoney war', the invasion of Poland and the early bombing raids on enemy shipping, through to the attacks on France. Aircraft featured include the Blenheim and Wellington bombers, the Sunderland flying boat, Spitfires and Hurricanes and the opposing ME109.