Senior Airman Matthew Ring, 8th Maintenance Squadron transient assistance crash recovery journeyman, performs a leak check on an F-16 Fighting Falcon landing gear tire at Kunsan Air Base, Republic of Korea, Jan. 7, 2016. In the tire shop, one of Ring’s responsibilities is to ensure that he gets tires from the aircraft maintenance units, break them down, rebuild them and get them returned as soon as possible. (U.S. Air Force photo by Staff Sgt. Nick Wilson/Released)