Chaplain (Col.) Doug Slater, Air Education and Training Command chaplain, from Joint Base San Antonio-Randolph, Texas, preaches to attendees during service at the BLAZE Chapel Feb. 24, 2019, on Columbus Air Force Base, Mississippi. Slater was invited by Chaplain (Lt. Col.) Steven Richardson, 14th Flying Training Wing Chaplain, to preach his fini-sermon at Columbus AFB chapel, ending his nearly 30-year career back in the pulpit. (U.S. Air Force photo by Airman Hannah Bean)