POHANG, SOUTH KOREA - APRIL 02: South Korean marines participate in landing operation referred to as Foal Eagle joint military exercise with US troops Pohang seashore on April 2, 2017 in Pohang, South Korea. South Korea military troops held for joint annual military exercise with the U.S. drawing criticism from North Korea, arguing that these training exercises will worsen the standoff over North Korea's nuclear weapons program. (Photo by Chung Sung-Jun/Getty Images)
