i think they would die
No
Always. And the Army often come in to help the Marines.
You put it into which ever hole you can reach comfortably and then thread the ball on, it doesn't matter which way, top, bottom, side, what ever works.
no
Jacque Piccard and Don Walsh were aboard the only manned submarine to ever reach the bottom in a sub named trieste.
it used to
They are the most elite fighting force ever. SEMPER FIDELIS
Yes, as recently as the Vietnam Era.
The SEALS are a US Navy unit. The Marines have their own special forces, Recon. They may cross train, but they have different missions and skill sets.
Oceans get slightly bigger every day.
Thousands of Sailors and Marines between 1942 and 1946.
Almost everything will be possible in future, so there is a good chance that the Marines will get to go in space one day. Unfortunately currently nobody knows when this big event will happen.