Images: Gen. David Petraeus retirement ceremony [Image 2 of 3]
Photo by Staff Sgt. Megan Garcia
Deputy Secretary of Defense, William J. Lynn III (left), awards U.S. Army Gen. David Petraeus (right), commander, International Security Assistant Force and U.S. Forces Afghanistan, with a Defense Distinguished Medal in honor of his 37 years of service, Aug. 31, at Joint Base Myer-Henderson Hall, Va. Petraeus, who also served as the top commander in Iraq, retired from the U.S. Army Aug. 31.