Why do 12 marines guard this WWII shipwreck 24/7?

Thornton's History Club

It's the most notorious shipwreck in the world - a WWII landing craft still guarded by marines 24/7 and still classified as an active naval outpost, despite having been constructed almost 100 years ago now. Support making these videos:    / @thorntonshistoryclub   A history of the USS Harnett Coun