Plot
Two American-army officers are working on a new type of machine-gun for anti-aircraft warfare, when one of them is murdered. The other vows to get the spies that are after the invention and avenge his friend's death.
| Writer | Francis Van Wyck Mason |
|---|---|
| Director | Joseph H. Lewis |
| Actor | William Hall, Jane Wyman, Esther Ralston |
| Country | United States of America |
| Production | Universal Pictures |
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