Air strike: Sequence on snow-covered air base, of men brushing snow off bombs, bombing up Mitchell bombers, bombers taking off. Cut to scramble, pilots taking off in Spitfires. Cuts to men firing at attacking aircrafts from trenches in snow, to wreckage of downed planes on fire, firemen combating flames. Various gun camera shots of German planes being blown out of the sky, of pilot ejecting from plane. Cut back to shots of wreckage of German planes including views of Swastika on debris, of dead casualty, of people examining wrecks.