Photo taken on March 7 shows K9 self-propelled howitzers during joint military drills in Paju, South Korea. South Korea and the United States on Monday kicked off their largest-ever annual war games. (Photo/Xinhua)
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Photo taken on March 7 shows K9 self-propelled howitzers during joint military drills in Paju, South Korea. South Korea and the United States on Monday kicked off their largest-ever annual war games. (Photo/Xinhua)
