mˈoʊst əv ðə fˈɪlm ɪz sˈɛt ɐbˈoːɹd ðə jˌuːˌɛsˈɛs ˌæləbˈæmə, æn nˈuːklɪɹpˈaʊɚd flˈiːt bɐlˈɪstɪk mˈɪsəl sˈʌbmɚɹˌiːn.
Most of the film is set aboard the USS Alabama, an  nuclear-powered fleet ballistic missile submarine.