Retired Lt. Col. Charles "Chuck" McManus watches as the ceremonial wreath is placed during the Linebacker II ceremony Dec. 13, 2013, on Andersen Air Force Base, Guam. McManus was a B-52 Stratofortress navigator during Operation Linebacker II in 1972, which led to the end of the Vietnam War. (U.S. Air Force photo by Airman 1st Class Emily A. Bradley/Released)