Memorial Flowers Flowers upon the memorial bench dedicated to Army Lt. Col. Jerry D. Dickerson reflect remembrance at the National 9/11 Pentagon Memorial Aug. 22, 2016. The memorial is dedicated to the 184 people lost in the terrorist attack at the Pentagon on Sept. 11, 2001. SHARE IMAGE: Download Image: Full Size (0.14 MB) Photo By: Credit: EJ Hersom, DOD VIRIN: 160822-D-DB155-001.JPG Photo Gallery