Staff Sgt. Gregory Winfrey, 82nd Contracting Squadron contracting officer, poses in front his squadron's symbol at Sheppard Air Force Base, Texas, July 20, 2018. WInfrey is a former Marine Corps machine gunner. In 2009 Winfrey got out of the Corps, but was not ready to take off the uniform so he reinlisted in the Air Force in 2011. (U.S. Air Force photo by Airman 1st Class Pedro Tenorio)