Members of the Lt. Gen. Leo Marquez family talk with 361st Training Squadron fuels systems apprentice course students during a visit at Sheppard Air Force Base, Texas, Aug. 17, 2018. Marquez is credited with modernizing Air Force logistics during his career, a process that began on the flightline early in the general's career. Sheppard trains many of the career fields that make up the Air Force's logistics community. (U.S. Air Force photo by Senior Airman Kevin Clites)