Photo Credit: Defense Dept. photo by U.S. Air Force Master Sgt. Adam M. Stump
The official party and audience sing "God Bless America" at the Pentagon Memorial Dedication Ceremony, Sept. 11, 2008. The national memorial is the first to be dedicated to those killed at the Pentagon on Sept. 11, 2001. The site contains 184 inscribed memorial units honoring the 59 people aboard American Airlines Flight 77 and the 125 in the building who lost their lives that day.