The atmosphere on the submarine is tense. Chief Petty Officer Basilio warns Mac and Harm that the boat is "spooked," as crew members keep getting sick or injured under mysterious circumstances. The investigation reveals a chilling pattern of sabotage:
The where Gibbs and Bishop deal with a radio-silent submarine . [S4E16] Silent Service
'The Silent Service' Season 2 Prime Video Review: Stream It Or Skip It? The atmosphere on the submarine is tense
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