Command Chief Master Sgt. Jack Johnson Jr., Supreme Allied Commander Transformation command senior enlisted leader, poses for a photo outside of Sheppard Air Force Base, Texas, 2018. Johnson is one of the most senior leaders in all of the Air Force. Serving for 30+ years, he was invited to Sheppard one last time before his retirement to give a speech to some of the future enlisted leaders of the Air Force. (U.S. Air Force photo by Airman 1st Class Pedro Tenorio)