[s4e16] Silent Service Apr 2026

In the episode " Silent Service " (Season 4, Episode 16) , Commanders Harmon Rabb and Sarah "Mac" MacKenzie are dispatched to the USS Watertown , a Los Angeles-class nuclear submarine, to investigate a series of alarming "accidents" and sudden illnesses that have plagued the crew. The Story Aboard the USS Watertown

: A crewman is killed when a high-pressure steam pipe fails—not due to age, but because it was precisely nicked with a scalpel. [S4E16] Silent Service

The where Gibbs and Bishop deal with a radio-silent submarine . In the episode " Silent Service " (Season