Sol Shor

Jungle Jim tries to relocate African natives so that the atom bomb can be tested on their island. Enemy agents interfere. (imdb)

An airplane carrying a pair of police officers escorting gangsters to prison crash-lands in the African jungle. They are rescued from an attack by savage natives by a white woman who appears out of nowhere, and it turns out she is a lost heiress who herself crash-landed in the jungle years before. (imdb)

The war lords of a potential enemy of the US has the spy ring, led by John Baroda, the Spy King and his aide Nitra, sabotaging the plans for a vast defense system of radar stations along the American borders. Radar Defense Bureau operative Chris Calvert comes to the rescue of a brilliant radar scientist, Joan Hughes, who has been kidnapped by Baroda henchmen in chapter 1, and the two battle together before putting an end to the Spy King in the aptly-named chapter 12, "Day of Reckoning".

Young member of scientific group uses new rocket-powered flying suit to thwart shadowy saboteur known only as "Dr. Vulcan". This movie is a shortened version of the 1949 12-episodes serial King of the Rocket Men.