U.S. Air Force Gen. Mark Kelly, commander of Air Combat Command, right, shakes hands with Senior Airman Kostiantyn Khymchenko, 633rd Civil Engineer Squadron heating, ventilation, air conditioning journeyman, on the flight line at Joint Base Langley-Eustis, Virginia, June 29, 2023. Khymchenko was chosen as the Air Force Outstanding Airman of the Year for his exceptional leadership among his peers and for his performance and significant impact during a deployment to the United States European Command. (U.S. Air Force photo by Airman 1st Class Mikaela Smith)