The White House posted a photo:
President Barack Obama greets an attendee after signing his invitation during the September 11th Observance Ceremony at the Pentagon Memorial in Arlington, Va., Sept. 11, 2012. (Official White House Photo by Pete Souza)
This official White House photograph is being made available only for publication by news organizations and/or for personal use printing by the subject(s) of the photograph. The photograph may not be manipulated in any way and may not be used in commercial or political materials, advertisements, emails, products, promotions that in any way suggests approval or endorsement of the President, the First Family, or the White House.