Dedication ceremony spectators walk through the Healing Field flag display near the Pentagon Memorial prior to the event Sept. 11. The flag display was sponsored by the nonprofit Healing Field Foundation. The almost 3,000 flags represent those who perished on Sept. 11, 2001. ::r::::n:: - Dedication ceremony spectators walk through the Healing Field flag display near the Pentagon Memorial prior to the event Sept. 11. The flag display was sponsored by the nonprofit Healing Field Foundation. The almost 3,000 flags represent those who perished on Sept. 11, 2001. ::r::::n::