A few nice photo services images I found:
Armstrong Memorial Service (201209130003HQ)
Image by NASA HQ PHOTO
Apollo 17 mission commander Gene Cernan, the last man to walk on the moon, looks skyward during a memorial service celebrating the life of Neil Armstrong at the Washington National Cathedral, Thursday, Sept. 13, 2012. Armstrong, the first man to walk on the moon during the 1969 Apollo 11 mission, died Saturday, Aug. 25. He was 82. Photo Credit: (NASA/Bill Ingalls)
Flags decorate the graves of U.S. service members on Memorial Day at the Cambridge American Cemetery and Memorial in Madingley, England
Image by Beverly & Pack
Flags decorate the graves of U.S. service members on Memorial Day at the Cambridge American Cemetery and Memorial in Madingley, England, May 26, 2008. (U.S. Air Force photo by Airman Perry Aston/Released)
Public domain
