Staff Sgt. Mathew Blake, 52nd Aircraft Maintenance Squadron dedicated crew chief, conducts a post-flight exhaust inspection on an F-16 Fighting Falcon assigned to the 480th Expeditionary Fighter Squadron during Aviation Rotation 19-2 at Krzesiny Air Base, Poland, June 10, 2019. The U.S. has participated in aviation rotations in Poland since 2012 to increase cooperation between the two air forces with the aim of strengthening joint capabilities as NATO allies through regular training exercises. (U.S. Air Force photo by Staff Sgt. Jonathan Snyder)