Adventures of the Flying Cadets

Adventures of the Flying Cadets is a 13episode 1943 Universal film serial. The serial is directed by Ray Taylor and Lewis D. Collins.

Galt has also imprisoned the remaining members of the expedition, Professor Mason Selmer Jackson and his daughter Andre Jennifer Holt. Galt plans to sell the helium to Germany through a Gestapo ring headed by Kurt von Heiger Eduardo Ciannelli. The four students, believing Galt to be an ally, fly with him to Africa as they hope to track down Von Heiger, thinking he is the Black Hangman, and clear their own names on the charges of murder. The four are pursued to Africa by U.S. Army Intelligence officer Captain Ralph Carson Regis Toomey.The boys survive a tailspin and upon landing, take Galt into custody but momentarily he convinces authorities that he is innocent. When he tries to contact other Nazi agents, he is revealed to be their ring leader. The cadets are vindicated and receive Air Force Wings as they prepare to join Allied pilots going off to war. ........

Source: Wikipedia