<p>South Koreans on a hilltop park look at the U.S. nuclear-powered aircraft carrier USS George Washington at the Busan port in Busan, south of Seoul, South Korea.</p>
July 25, 2010
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July 25, 2010 9 p.m.
US aircraft carrier ups pressure on N. Korea
Military drills to run through Wednesday
BUSAN, South Korea - A massive nuclear-powered U.S. supercarrier readied Saturday for maneuvers with ally South Korea in a potent show of force that North Korea has threatened could lead to "sacred war."