What You Didn't Know About Life On A Submarine

Ballast Testing

On a submarine, ballast is used to control the depth and trim of the vessel.

By adding or removing water from various ballast tanks, the submarine can change its buoyancy and maneuver underwater. This involves filling and emptying the ballast tanks to verify that they are functioning as designed and that there are no leaks or malfunctions.

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The More You Know

  • The Germans and British soldiers paused the war for a day during Christmas Day 1914. They sang, drank and celebrated together. They even had a match of football.
  • In 1820 an entire town held a trial against tomatoes.
  • The Leaning Tower of Pisa never stood up straight.
  • George Washington Opened a Whiskey Distillery After His Presidency
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