U.S. Air Force Master Sgt. Scott Reed, the noncommissioned officer in charge of the Regional Contracting Office of the 501st Combat Support Wing, salutes after placing a wreath at the base of the Wall of the Missing during a ceremony commemorating the 69th anniversary of the Exercise Tiger tragedy, at Cambridge American Cemetery in Madingley, England, April 23, 2013. In all 749 American Soldiers and Sailors died April 27, 1944, during one of several assault rehearsals in Exercise Tiger conducted at Slapton Sands on the Devon coast of England in preparation for the launch of Operation Overlord.