Staff Sgt. Aaron Williams, 365th Training Squadron mobility air force integrated communication, countermeasure and navigation systems apprentice course student, poses for a picture at Sheppard Air Force Base, Texas, June 6, 2019. Williams became the first student to receive the ACE award for the combined com/nav and electronic warfare course after receiving a 100% on all 23 of the block tests and performance checks. (U.S. Air Force photo by Airman 1st Class Pedro Tenorio)