Towers of Light The Towers of Light display illuminates the night sky at the Pentagon, Sept. 9, 2021, honoring those who lost their lives in the attacks of Sept. 11, 2001. SHARE IMAGE: Download Image: Full Size (1.53 MB) Tags: Pentagon, 9/11 Photo By: Air Force Staff Sgt. Brittany A. Chase, DOD VIRIN: 210909-D-BM568-1006S.JPG Photo Gallery