Air Force Tech. Sgt. Edward Thomas, 312th Training Squadron instructor, briefs the participants of the fourth annual Blood, Sweat and Stairs event at the Louis F. Garland Department of Defense Fire Academy on Goodfellow Air Force Base, Texas, Sept. 30, 2017. Blood, Sweat and Stairs was held to remember the fallen firefighters who lost their lives on 9/11.

---

Size: 1734px × 1153px
Photo credit: © Dudley Little / Alamy / Afripics
License: Licensed
Model Released: No

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