- HD 1080
- Runtime: 61m.
- Status: Released
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- Languages: en
- Country: United States of America
- Director: Noel M. Smith
- Stars: Ronald Reagan, Ila Rhodes, Eddie Foy Jr., James Stephenson, John Litel
- keywords: undercover agent, people smuggling, border patrol, pilot, secret service, criminal gang, illegal aliens, federal prison
- Production_studio: Warner Bros. Pictures
- Slogan: AIRPLANE SPY RING EXPOSED BY SECRET SERVICE! Now you can see the amazing inside story of how Uncle Sam's secret guardians smash vicious international air spies!
- The Secret Service of the Air is featured in the top rankings of 1939
- #17 in Top Adventure Movies of 1939
- #58 in Top Drama Movies of 1939
- #8 in Top Action Movies of 1939
- #23 in Top Crime Movies of 1939
- #16 in Top Thriller Movies of 1939
Brass Bancroft and his sidekick Gabby Watters are recruited onto the secret service and go undercover to crack a ruthless gang that smuggles illegal aliens.
