Air Force Secretary Deborah Lee James presents Col. Christopher C. Barnett, an Air War College faculty member, the Silver Star and the Silver Star first oak leaf cluster Jan. 19, 2017. James chose her last day as the secretary of the Air Force to honor Barnett for his gallantry in connection with 2009 military operations, as well as to announce upgraded medals awarded to seven additional Airmen. (US Air Force photo/Melanie Rodgers Cox)