MPU-5 radios sit on a display table during an innovation brief at Alpena Combat Readiness Training Center, Michigan, Aug. 5, 2021. The brief was an opportunity for the National Guard to learn about emerging technologies implementing into Northern Strike (NS) 21-2 operations. Northern Strike is a joint forces, multi-component, multinational exercise designed to build readiness and enhance interoperability with coalition forces to fight and win, held July 31, 2021 through Aug. 14, 2021 at the National All-Domain Warfighting Center. (U.S. Air National Guard photo by Staff Sgt. Valentina Viglianco)