A participant hangs an ornament of U.S. Army Staff Sgt. Brian Freeman on the Survivors Outreach Services’ holiday remembrance tree, at the 733rd Mission Support Group headquarters, Dec. 4, 2012. Freeman died in Baghdad, Iraq, when a vehicle-borne improvised explosive device detonated near his dismounted patrol. (U.S. Air Force photo by Airman 1st Class R. Alex Durbin/Released)