Exercise Northern Lightning
Master Sgt. Cameron Allsup, 114th Aircraft Maintenance Squadron crew chief, prepares to launch an F-16 during Exercise Northern Lightning at Volk Field Combat Readiness Training Center, Camp Douglas, Wisconsin, May 1-12, 2017. Northern Lightning is an exercise involving around 1,500 service members from the Air Force, Navy, Marines and National Guard across the country. (U.S. Air National Guard photo by Staff Sgt. Andrea F. Rhode/Released)