South Korean corporal Kim Young-min (bottom) makes a deep bow to his parents during a farewell ceremony prior to leaving for Iraq at a military unit in Kwangju, about 40 km (25 miles) southeast of Seoul February 28, 2007. South Korea will send replacement non-combat troops - - engineers and medics - - to rotate its troops in Iraq every six months. South Korean sergeant Yoon Jang-ho was among those killed in a suicide bomb attack outside a U.S. military base in Afghanistan on Tuesday, where U.S. vice President Dick Cheney was visiting. REUTERS/Lee Jae-Won (SOUTH KOREA)