The ballast and trim tanks control a submarine's buoyancy. To put it simply, when a submarine needs to surface, it empties its tanks of water and when it needs to submerge, ...

Key Points and Summary: In May 1969, the U.S. Navy’s nuclear-powered attack submarine USS Guitarro sank at Mare Island Naval Shipyard in California due to a series of preventable errors and ...

What you are seeing here is a rare test of a fast attack nuclear submarine's ability to rapidly empty its ballast tanks via forcing high pressure air into them, otherwise known as an "emergency blow." ...

The USS Clamagore submarine, built at the end of World War II, will be dismantled and recycled, the Patriots Point Naval & Maritime Museum in South Carolina announced Friday.

Pumps transfer water between the front and rear ballast tanks to keep the submarine level or adjust the pitch as needed. Control Surfaces. Jelena83 / Getty Images. A submarine blueprint.

The USS Clamagore departed from its home of more than 40 years at Patriots Point Naval and Maritime Museum. As the World War II-era submarine started its journey to Norfolk, ...

2) The use of ballast tanks for surfacing in an ambient submarine seems less than ideal. To avoid issues others have pointed out, you need to accurately control the ascent to the surface.

From Berlin came a report of sucfessful tests of a metal noncollapsible diving suit. The suit has a metal body built solidly like the conning tower of a submarine, and flexible aluminum arms and ...

The Submarine Force Museum is open Wednesday through Monday and is free to visit. Measuring 3,400 tons with a length of 319 feet, Nautilus is longer than a football field. The deck of the USS ...