U.S. Air Force Staff Sgt. Christopher Lewis, a combat controller with the 23rd Special Tactics Squadron, receives the Silver Star medal from U.S. Air Force Lt. Gen. Brad Webb, commander of Air Force Special Operations Command, during a ceremony at Hurlburt Field, Florida, Jan. 19, 2018. Lewis received the Silver Star for his actions during the Mosul offensive in Iraq in 2016, during the course of which he engaged with enemies at close range multiple times and called in four precision airstrikes, providing his team crucial air coverage and eliminating more than 20 enemy forces. (U.S. Air Force photo by Staff Sgt. Victor J. Caputo)