: Although performed in the film by several characters as a signal, the version recorded by Nat King Cole became a massive commercial success and is now considered a timeless standard. Critical Reception

The film's most enduring contribution to culture is not its screenplay, but its soundtrack. The song "," composed by Ray Evans and Jay Livingston, serves as a recurring motif in the film.

Historically, Captain Carey, U.S.A. received mixed reviews. Some critics viewed it as a standard vehicle for Alan Ladd, whose stoic persona was well-suited for the role of a vengeful officer. However, over time, some film historians have labeled it a "forgettable" war picture, overshadowed by the massive success of its hit song.