Air Force Senior Airman Gregory Perkins, a 509th Security Forces Squadron (SFS) installation entry controller, checks access cards at a gate on Whiteman Air Force Base, Mo., April 25, 2017. Defenders are on guard and fully prepared to protect high-valued assets at all times.

---

Size: 1652px × 1210px
Photo credit: © Ted Small / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 509th, air, america, archive, armed, army, base, beret, blue, bomb, bomber, bw, defence, force, forces, military, missouri, navy, reportage, security, service, serviceman, servicemen, sfs, soldier, states, stealth, united, usa, whiteman, wing