Master Sgt. Iain J. Morrison, 554th Red Horse Squadron engineering flight superintendent, plays “Amazing Grace” on the bagpipes, Dec. 13, 2013, on Andersen Air Force Base, Guam, in remembrance of service members who gave their lives in Operation Linebacker II. The ceremony observed the 41st year of the campaign that led to the end of the Vietnam War. (U.S. Air Force photo by Airman 1st Class Emily A. Bradley/Released)