U.S. Air Force Col. Timothy Murphy, commander of the Advanced Airlift Tactics Training Center, speaks during the center’s 35th annual Tactics and Intelligence Symposium at Rosecrans Air National Guard Base, St. Joseph, Mo., Jan. 24, 2017. The symposium brings together mobility and tactics professionals from across the U.S. Air Force, other branches of service, and allied nations. (U.S. Air National Guard photo by Master Sgt. Erin Hickok)