Members of the 3d U.S. Infantry Regiment (The Old Guard), participated in a full honors funeral, July 2, 2013, at Arlington National Cemetery in Virginia. During the funeral, the remains of three Vietnam aviators were interred together in a single casket. Among those interred were 1st Lt. Richard Dyer, Sgt. 1st Class Juan Colon-Diaz, and Spc. 5 John L. Burgess. The three aviators, and one other, 1st Lt. Leslie F. Douglas, were killed in action when the UH-1 Iroquois they were aboard crashed in Vietnam, June 30, 1970, as a result of enemy fire. Douglass, was buried separately. A fifth Soldier who had been aboard the aircraft, Pfc. John Goosman, was not killed. He attended the funeral with his family.