Calling All Marines (1939) DVD-R

In this patriotic spy adventure, a young gangster joins an enemy espionage agency and agrees to enlist in the Marine Corps so he can pilfer the plans for a newly developed aerial torpedo. To get in, the crook steals an innocent young man's papers and forges them for himself. Later, he gets his chance and nabs the plans. Unfortunately, the man whom he pretends to be finds out and gets the crook tossed into jail. Later the enemy agents help him escape. But by this time, the gangster has decided not to betray his beloved country. He puts up a fight and manages to flee the spies and return to the Marines where he works to bring the enemies to justice.