McCorm, can you hear me?

Yes, Captain. I can hear you.

What do you see?

It's a sub, sir. No doubt about that.

McCore, do you hear that? Yes, sir, I do.

It sounds like hammering.

It's coming from midship.

I'm moving toward there now.

McClore, when you get there, tap on the hall.

See if you can get a response.

Yes, sir.

In 1963, the American See if you can get a response. Yes, sir.

In 1963, the American television anthology series, The Twilight Zone, aired an episode titled The 30 Fathom Grave.

In this fictional story, which is also set in the year 1963, a U.S. Navy Destroyer is 100 miles off the coast

of Guadal Canal when its sonar

picks up an unusual sound coming

from below their ship. The crew

believes it sounds like something banging

on metal. After

some investigation, they realized that there

is a sunken submarine on the ocean

floor, but there have been no recent

...