Colonel Ken Rizer, 11th Wing commander, pins the Purple Heart medal to Staff Sgt. David Veros, 11th Security Forces Squadron training instructor, during a ceremony at Joint Base Andrews Md., Oct 7, for wounds received Nov 17, 2007. The Purple Heart medal is presented to members of the U.S. Armed Forces who are wounded by an instrument of war in the hands of the enemy. (U.S. Air Force photo by Staff Sgt. Christopher A. Marasky)