Maintainers from the 18th Aircraft Maintenance Squadron, 67th Aircraft Maintenance Unit, conduct a walk for foreign object debris during Exercise Rumrunner at Marine Corps Air Station Futenma, Japan, Jan. 10, 2020. The 18th Wing and its joint partners executed the first WestPac Rumrunner exercise, which focused on defensive counter air capabilities and joint interoperability using agile combat employment concepts. (U.S. Air Force photo by Staff Sgt. Benjamin Raughton)