Staff Sgt. Arthur Smith, 374th Aircraft Maintenance Squadron crew chief, conducts a thru-flight inspection at Andersen Air Force Base, Guam, Nov. 30, 2023, in support of Operation Christmas Drop 2023. A thru-flight inspection is a thorough inspection of an aircraft that is conducted before, during and after flight to ensure safety and efficiency. (U.S. Air Force photo by Yasuo Osakabe)