U. S. Marine Sgt. Joel Gonzalez presents a bouquet of yellow roses to Mrs. Maureen Lyons on behalf of the men and women of U.S. Transportation Command. Her husband, U.S. Army Gen. Stephen R. Lyons, became the 13th commander of the global combatant command in a change of command ceremony, Aug. 24, 2018, at Scott Air Force Base, Illinois.