President Obama lays wreath at Kennedy gravesite (16 images)

The eternal flame and grave of President John Fitzgerald Kennedy are seen at Arlington National Cemetery in Arlington, Virginia on November 16, 2013. November 22nd will make the 50th Anniversary of President John F. Kennedy's assassination. UPI/Kevin Dietsch

Flowers lay beside the grave of President John Fitzgerald Kennedy at Arlington National Cemetery in Arlington, Virginia on November 18, 2013. Kennedy was the 35th president of the United States and November 22nd will mark the 50th Anniversary of his assassination in Dallas, Texas. UPI/Pat Benic

Carved on the memorial next to the eternal flame and grave of President John Fitzgerald Kennedy are the famous words of his inauguration speech at Arlington National Cemetery in Arlington, Virginia on November 18, 2013. The words read, "And so, my fellow Americans, ask not what your country can do for you; ask what you can do for your country. My fellow citizens of the world, ask not what America will do for you, but what together we can do for the freedom of man." Kennedy was the 35th president of the United States and November 22nd will mark the 50th Anniversary of his assassination in Dallas, Texas. UPI/Pat Benic

U.S. Marine Corporal Mark Paradis, with Taps For Veterans, salutes President John K. Kennedy's grave after playing taps during theBugle Call to Remember in honor of the the 50th anniversary of the sounding of Taps at the funeral of President John F. Kennedy, at Arlington National Cemetery in Arlington, Virginia on November 16, 2013. The event payed tribute to JFK and to Army Bugler Sgt. Keith Clark who played Taps at President kennedy's funeral in 1963. November 22 will make the 50th Anniversary of President John F. Kennedy's death. UPI/Kevin Dietsch