Greyhound - Apple TV Movie

GREYHOUND - Official Trailer (HD) | Apple TV+
Sony Pictures Entertainment

Great show about U-boat hunting in the Atlantic during WW2. The film is based on the 1955 novel The Good Shepherd by C. S. Forester. I've read at least a couple of his books, one was The Gun.

6 Innovations That Made the Fletcher Destroyers Revolutionary
Military History Stories

We built 175 Fletcher class destroyers during WW2. Most operated in the Pacific, only a few operated in the Atlantic.

USS Cowell (DD-547) Fletcher-class destroyer: A Closer Look/Cinematic( War Thunder Naval Xbox One)
fear_Naught Gaming