Hank Davis, foreman on a huge dam project, enlists the aid of his two flyer friends when a sinister figure known as The Black Ace leads his Mystery Squadron of masked pilots in an attempt to destroy the dam.
1968
1944
2023
2022
2015
1998
2025
2010
2016
1991
2007
2018
2002
1969
1941
2000
1999
