A piece of World Trade Center steel highlights the 9-11 Memorial on the Air Force Academy terrazzo in Colorado Springs, Colo., June 20, 2017.

---

Size: 1155px × 1732px
Photo credit: © Dudley Little / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: air, america, archive, armed, army, cadets, defence, force, forces, military, navy, reportage, scenics, service, serviceman, servicemen, soldier, states, terrazzo, united, usa