Nelson retires after 40 years of service
Brig. Gen. Gregory L. Nelson passes his general officer flag to Kentucky's adjutant general, Maj. Gen. Edward W. Tonini, during Nelson's retirement ceremony at the Kentucky Air National Guard Base in Louisville, Ky., Nov. 8, 2015. Nelson, who most recently served as vice director for strategy, policy, plans and international affairs at the National Guard Bureau, completed more than 40 years of faithful service to U.S. Air Force and Kentucky Air National Guard. (U.S. Air National Guard photo by Tech. Sgt. Vicky Spesard)