Devil Dogs of the Air (a.k.a. Flying Marines) is a 1935 Warner Bros. film, directed by Lloyd Bacon and starring James Cagney and Pat O'Brien, playing similar roles as close friends after making their debut as a "buddy team" in Here Comes the Navy. Devil Dogs of the Air was the second of nine features that James Cagney and Pat O'Brien made together. The film's storyline was adapted from a novel by John Monk Saunders.