A South Korean Marine jumps into the sea during the 60th Incheon Landing Operations Commemoration Ceremony, Wednesday, Sept. 15, 2010 at sea near Incheon, the coastal city where United Nations Forces led by U.S. General Douglas MacArthur landed in September, 1950 just months after North Korea invaded the South. (AP Photo/ Lee Jin-man)

Photo by: Lee Jin-man

A South Korean Marine jumps into the sea during the 60th Incheon Landing Operations Commemoration Ceremony, Wednesday, Sept. 15, 2010 at sea near Incheon, the coastal city where United Nations Forces led by U.S. General Douglas MacArthur landed in September, 1950 just months after North Korea invaded the South. (AP Photo/ Lee Jin-man)