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A South Korea's K1 tank fires smoke shells during a joint military drill between South Korea and the US in Paju near the inter-Korean border on June 8, 2011 aimed at deterring North Korea's military threat. (Jung Yeon-Je/AFP/Getty Images)
South Korean and U.S. military forces conducted a joint drill in Paju near the border with North Korea.
Tensions between the two countries have remained high after several deadly military confrontations last year.
The joint drill appears to be aimed at deterring further conflicts.
A South Korea's K1 tank fires smoke shells during a joint military drill between South Korea and the US in Paju near the inter-Korean border on June 8, 2011 aimed at deterring North Korea's military threat. (Jung Yeon-Je/AFP/Getty Images)
A South Korea's K1 tank fires smoke shells during a joint military drill between South Korea and the US in Paju near the inter-Korean border on June 8, 2011 (Jung Yeon-Je/AFP/Getty Images)
South Korea's K1 tanks (C) and an armored vehicle (L-back) participate in a joint military drill between South Korea and the US in Paju near the inter-Korean border on June 8, 2011. (Jung Yeon-Je/AFP/Getty Images)
A US soldier takes a position during a joint military drill between South Korea and the US in Paju near the inter-Korean border on June 8, 2011. (Jung Yeon-Je/AFP/Getty Images)
A South Korea's K1 tank moves through smoke during a joint military drill between South Korea and the US in Paju near the inter-Korean border on June 8, 2011. (Jung Yeon-Je/AFP/Getty Images)
