Chrisrian Gonzalez, Maltz Challenge competitor, attempts a “knee-to-chest” exercise as a part of the 13th annual Maltz Challenge, March 15, 2019, at Scott Air Force Base, Ill. Members from around the Scott AFB region competed in the event, including members from the Air Force and Illinois National Guard, as well as local civilians.

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Size: 1195px × 1674px
Photo credit: © Nelly George / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: archive, armed, defence, forces, maltz, military, reportage, servicemen, usa