Captain Samuel McClellan, 90th Missile Wing chaplain, thanks security forces plus maintenance members, chefs and missile crew for their sacrifices and hard work during the 319th Missile Squadron code change burger burn in the 90th Missile Wing missile complex, July 12, 2017. The week-long code change sometimes requires security forces members and maintainers to stay out for days at a time to ensure they accomplish their mission. (U.S. Air Force photo by Staff Sgt. Christopher Ruano)