President Kennedy's casket lies in state in the East Room of the White House, attended by two members of the honor guard on November 23, 1963. Photo by Abbie Rowe, courtesy John F. Kennedy Presidential Library and Museum, Boston

President Kennedy’s casket lies in state in the East Room of the White House, attended by two members of the honor guard on November 23, 1963. Photo by Abbie Rowe, courtesy John F. Kennedy Presidential Library and Museum, Boston