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Navy Ship USS Harry S. Truman Performs Swing Checks (PHOTO)

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At first glance, it might seem like this mammoth U.S. Navy aircraft carrier is about to visit Davy Jones' Locker, but despite its exaggerated tilt, the ship is just performing a training exercise.

In the below photo, the USS Harry S. Truman, a nuclear-powered Nimitz-class supercarrier, performs sea trials in the Atlantic Ocean on July 8, 2012. Its reactor was recently upgraded, and these tests are part of a regimen designed to check the ship's seaworthiness.

The high-speed exercise is called a swing check. It tests the ship's ability to stop the movement of its bow by counter-steering. To "check your swing" is one of several U.S. Navy and Coast Guard helm commands that concern the ship's rudder.

The USS Harry S. Truman is the eighth Nimitz-class aircraft carrier in the U.S. Navy fleet. It served in the Persian Gulf during Operation Iraqi Freedom in 2004-2005 and was the naval task force flagship in response to Hurricane Katrina.

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uss harry s truman performs swing checks