Members of the Michigan Army National Guard’s 119th Field Artillery board a Selfridge Air National Guard Base KC-135 Stratotanker at the Alpena Combat Readiness Training Center, Mich., March 20, 2015. 127th Logistics Readiness Squadron Airmen temporarily relocated to the Combat Readiness Center in Alpena, Mich., to support a mobilization exercise of the Michigan Army National Guard’s 119th Field Artillery. (U.S. Air National Guard photo by Senior Airman Ryan Zeski/Released)