TOPSHOTS A South Korean K-1 tank disembarks from a landing ship tank ship (LST) on a beach during a joint landing operation by US and South Korean Marines in the southeastern port of Pohang on March 30, 2015. The drill is part of the annual joint exercise Foal Eagle to enhance the combat readiness of the US and South Korea supporting forces in defense of the Korean Peninsula. AFP PHOTO / JUNG YEON-JE