![US South Korea Drill](https://static-ssl.businessinsider.com/image/533c2b3f69bedddb630a1aab-1200-858/rtr3j959.jpg?maxX=480)
Kim Hong-Ji/REUTERS
The annual drill, named Foal Eagle, runs from February 24 to April 18 and features Marines from both countries.
North Korea views the drill as a possible threat and has responded by ratcheting up its own military rhetoric.
Further, The Hermit Kingdom has $4 military drills of its own and launched hundreds of missiles towards a disputed maritime border with South Korea. The country has also promised a new kind of $4 in response.