U.S. Air Force Col. Brian Pukall, commander, 557th Weather Wing (WW), assumes command of the 557th WW from U.S. Air Force Lt. Gen. Mark Kelly, commander, 12th Air Force, June 26, 2018, at Offutt Air Force Base, Nebraska. The mission of the 557th WW is to exploit timely, accurate, and relevant weather information anytime and everywhere on the globe. (U.S. Air Force photo by Paul Shirk)