Ex-navy Underwater Demolition Team Officer Mike Nelson continues his skin-diving as a postwar profession, combining mastery of the SCUBA and spear with a flair for dangerous investigation.
Mike Nelson tests the security of underwater approaches to an oceanside rocket fuel plant. At the mouth of a tunnel leading to the heart of the plant, he captures two saboteurs -- but only after they have fired a delayed action torpedo into the tunnel!
S2E3 26 min
