January 23, 1960. The Trieste made it to the bottom of Challeger Deep which is the deepest point in all the world's oceans.
Every submarine since Drebbel's first in 1578 has been able to reach the ocean floor. Not all have been able to resurface, though.
He proposed a submarine to reach the bottom of the ocean, but his boss couldn't...answer: FATHOM IT (mouth, offer, impact, botany)
you swim down until you reach the bottom
15 minutes
USS Nautilus
Deep ocean pressures are to great for submarines. They do not need to go deep anyway, just to avoid detection by the enemy.
6 minutes
Magellan led the first European expedition to reach the Pacific Ocean.
there is too much water pressure so it will be crushed under all the weight.
"Regular" subs don't. The deeper you go, the greater the pressure. Eventually they'll crumble.
It will die.
Jacque Piccard and Don Walsh were aboard the only manned submarine to ever reach the bottom in a sub named trieste.