Universal Studios - 100 Universal City Plaza, Universal City, California, USA
(Studio, model of a nuclear submarine inside a water tank)
San Pedro, Los Angeles, California, USA
(scenes with the Norwegian freighter)
San Diego Bay, California, USA
(naval ships scenes)
California, USA
(locations: San Pedro and San Diego)
Coast, California, USA
(locations: San Diego Bay and San Pedro Bay/Harbor)
Sep 20, 1976
September 20, 1976 - November 1976