Lost in the Stratosphere (1934)

Stars: William Cagney, Edward J. Nugent, June Collyer
Director: Melville W. Brown

Two military pilots are close friends, and share in a lot of hazardous missions while engaging in a series of good-natured romantic rivalries. But when one of the pilots loses a girl he really cared for, he cannot forgive his friend. Soon afterwards, they must work together on their most dangerous mission yet.