Air Force Tech. Sgt. Ryan Lilly, left, a flight engineer, and Tech. Sgt. Ben Doyle, right, the NCO in charge of flight engineers assigned to the 310th Airlift Squadron, preform preflight checklist procedures at MacDill Air Force Base, Fla., April 13, 2017. Preflight checklists are completed before every flight.

---

Size: 1758px × 1138px
Photo credit: © Ted Small / Alamy / Afripics
License: Licensed
Model Released: No

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