Sean Quinby, 4th Civil Engineer Squadron fire chief, rings a bell in honor of the fallen fire fighters during a 9/11 Remembrance Ceremony, Sept. 11, 2017, at Seymour Johnson Air Force Base, North Carolina. On Sept. 11, 2001, a total of 19 terrorists hijacked four commercial passenger jet airliners and took the lives of thousands of men, women, and children. ( Air Force photo by Airman 1st Class Victoria Boyton)

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Size: 4567px × 3048px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 11, 9/11, forget, remember, sept., towers, twin