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DEFCON-4
- Tahun: 1985
- Negara: Canada
- Genre: Science Fiction, Thriller, Action
- Studio: Salter Street Films, New World Pictures
- Kata kunci: dystopia, post-apocalyptic future, canuxploitation
- Pengarah: Paul Donovan, Digby Cook
- Pelakon: Lenore Zann, Maury Chaykin, Kate Lynch, Kevin King, John Walsch, Tim Choate