The content originally appeared on: CNN Pocheon, South Korea CNN - US and South Korean combined forces on Wednesday held their first live-fire exercises since the formation of their unit in 2015, a drill that commanders said showcased the strongest military alliance in the world. The drill, based on a counterattack against invading forces, comes after the US and South Korean Presidents pledged to step up military cooperation following a May summit meeting in Seoul, and after North Korea conducted […]