25 Rare and Devastating Photos From the September 11 Attacks

The Ground Zero wreckage.Porter Gifford: Corbis via Getty Images

A picture of the Pentagon’s emergency response to the day’s attacks. Released March 23, 2017 FBI

FBI team at the Pentagon. The FBI released this photo March 23, 2017

Interior of the Pentagon. Released March 23, 2017

Pentagon emergency Response. Released March 23, 2017. FBI

Pentagon exterior. Released March 23, 2017.

debris from the airplane that struck the Pentagon. Released March 23, 2017

First Responders. Frank Fournier, Untitled, 2001. New-York Historical Society

Fred George, Ash Wednesday, Dusk, 9:12:01, New-York Historical Society

Micah, a German Shepherd from Connecticut, rests under the shade of a dog biscuit box in a firehouse opposite the World Trade Center after a 20-hour day spent searching fruitlessly for survivors amidst the wreckage . Getty Images

Memento Mori. Alice Attie, 2001. New-York Historical Society

Firefighters raise a U.S. flag at the site of the World Trade Center after two hijacked commercial airliners were flown into the buildings September 11, 2001 in New York. (Photo by 2001 The Record (Bergen Co. NJ)/Getty Images)