Pentagon Memorial in Arlington, VA commemorates the 184 lives lost in the Pentagon and on American Airlines Flight 77 during the terrorist attacks on Sept. 11, 2001. The memorial consists of two acres with 184 benches, each dedicated to an individual victim. Each bench is engraved with an individual's name and extends over a pool of water that glows with light at night. They are organized by a timeline based on the ages of the individuals.
WASHINGTON (Sept. 11, 2008) One hundred eighty-four joint service troops stand unveil the Pentagon Memorial in Washington. The national memorial is the first to be dedicated to those killed at the Pentagon 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. U.S. Navy photo by Mass Communication Specialist 2nd Class Molly A. Burgess
The Pentagon Memorial is designed so that the nation may remember and reflect on the events that occurred on September 11, 2001. Description from eyeonannapolis.net. I searched for this on bing.com/images
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)