Material showing Blenheims and Spitfires at aerodrome and in the air.
Film appealing for funds towards the Royal Air Force Benevolent Fund.
Good shots of anti-aircraft guns and a Spitfire scramble at RAF base.
RAF fighter pilots and antiaircraft defences ready for the enemy planes.
Good shots of Spitfire fighters scrambling to take off.
Fighter pilots of the RAF fight off German aircraft attacking a convoy.
Footage of Hawker Typhoon aircraft at English airfield Tempest
Emergency call urges pilots to action.
Crews of RAF Wellington bombers take off for a flight.