CAMP MOBILE, South Korea -- Maj. Gen. Thomas Vandal, the commander of 2nd Infantry Division, talks to Col. Michael Lawson, the commander of 210th Field Artillery Brigade, 2nd Inf. Div., during Key Resolve, March 2, 2015 at the brigade's tactical operation center at Camp Mobile, South Korea. The exercise aims to strengthen the alliance between the Republic of Korea and U.S. in defending South Korea from any Northern aggression. 