Lt. Gen. Chris Nowland, 12th Air Force (Air Forces Southern) commander, addresses Ellsworth Airmen during an all call at Ellsworth Air Force Base, S.D., Sept. 24, 2015. Nowland hit on several topics including recent events unfolding worldwide and within the Air Force, and closed by bidding farewell to the 28th Bomb Wing as it begins its transition to Air Force Global Strike Command Oct. 1, 2015. (U.S. Air Force photo by Airman 1st Class James L. Miller/Released)