US President Donald Trump reacts after signing executive orders imposing tariffs on imported goods in the Rose Garden at the White House on April 2, 2025, in Washington, DC. (Andrew Harnik via Getty Images)
A South Korean Army K1E1 tank crosses a pontoon bridge on the Imjin River during a joint river- crossing exercise as part of the Freedom Shield military drills with US and ROK forces in the border town of Yeoncheon, South Korea, on March 20, 2025. (Getty Images)
Lt. Gen. Sean Gainey, US Army SMDC commander, sat down with Senior Fellow Tim Walton to discuss how the Army should modernize its air and missile defense forces.