A viral photo of American servicemen swimming in the open ocean sparks a wave of anecdotes about the awe and terror of deep-water plunges. From near-drowning experiences to eerie encounters with marine life, the comments dive deep into the psychology of being adrift above endless depths. A spirited debate emerges over the servicemen’s identities—were they sailors or Marines?—and the type of ship in the background, adding layers of mystery to the breathtaking image.