Battle of Blood Island
Battle of Blood Island is a 1960 American World War II war film filmed in Puerto Rico. It was directed by Joel Rapp and based on the 1958 short story Expect the Vandals by Philip Roth.Filmgroup released the film as a double feature with Ski Troop Attack.
Roger Corman put up 31,129.31 of the budget with 14,000 provided by Stan Bickman and Joel Rapp. The movie was shot in Puerto Rico at the same time as two other Corman productions, Last Woman on Earth and Creature from the Haunted Sea.
Source: Wikipedia