Lafayette Escadrille

According to Tab Hunter in his memoirs, "Tab Hunter Confidential", William A. Wellman was furious because, on the set, Warner Brothers replaced a coffee man, who gave coffee to the crew, with an automatic machine where everyone had to pay, so Wellman grabbed the machine, threw it on the floor and brought it brutally to the street. The coffee man came back.

Aviators in World War I generally didn't wear the high-collar tunics like the one worn by Thad. This is because they needed to be able to turn their heads while flying. Rather, they wore a uniform coat that required a shirt and tie.

And Introducing Bill Wellman, Jr. Jody McCrea Dennis Devine

There are two versions of the film: in one the main characters marry each other happily, in the other Tab Hunter's character dies and Etchika Choureau's commits suicide.