The reason submarines are able to do this is thanks to some very important components known as the ballast and trim tanks.

To control buoyancy, the fuel or ballast tanks - which can add weight - can be emptied and used to lift the sub. To achieve this, the diesel fuel or ballast is released, emptying the tanks ...

In 2005, the USS San Francisco, a U.S. Navy Los Angeles-class submarine, struck an uncharted seamount at 30 miles per hour, ...

The Soviet Union’s Project-685 K-278 Komsomolets (Mike-class submarine) was an advanced nuclear-powered vessel capable of ...

A US Navy nuclear submarine under construction, the Guitarro (SSN-665), sank in a similar accident in 1969. A failure of communication between two teams at opposite ends of the sub led each to ...

The Navy was hoping to deploy the sub to menace the Confederate port of ... confronted them as they transferred their cargo of lead ballast into a submarine. The police arrested the supposed ...

That was solved with some Lego bracing and adjustment of the lead shot ballast used to keep the sub neutrally buoyant. This looks like a ton of summer fun, and even if you don’t have Legos ...

“I wanted to test the sub,” he said. “I dropped the descent weights, all my shot ballast, and went full up on the thrusters. Then I thought, ‘Jeez, I hope this thing holds together.

where he was met by a group of reporters and described the final moments of the sub, blaming its sinking on the ballast tank. Police would later say "the sinking of the submarine was allegedly a ...

Pilot Avi Klapfer floods the ballast tanks, and we sink ... adjustment to the camera housing mounted on the outside of the sub. Out there with the camera are hydraulics, thrusters, and hundreds ...

RELATED: OceanGate whistleblower says he had 'no confidence' in development of Titan sub The dive ... there was a problem with the variable ballast tank valve, Ross said. Because the platform ...