Eagle Squadron is a 1942 American war film directed by Arthur Lubin and starring Robert Stack, Diana Barrymore, John Loder and Nigel Bruce. It was based on a story by C.S. Forester that appeared in Cosmopolitan magazine, and inspired by media reports of the fighting in the Battle of Britain, in particular, the American pilots who volunteered before the United States entered World War II, to fly for the Royal Air Force in the actual Eagle Squadrons.