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.
1915
2006
2017
2004
1996
2003
1943
2021
2002
1990
1910
1946
2008
1936
1916
2007
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1984
