Marine Corps 2nd Lt. Riley Gannon, exercise budget officer, 3rd Marine Logistics Group, a native of North Ridgeville, Ohio, swims across a pond during the 2022 Iron Mike Challenge on Marine Corps Base Quantico, Virginia, May 7, 2022. Competitors from across the Marine Corps were given 12 hours to complete the over 20 mile course, which culminated the use of core skills with multiple physical challenges.

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Photo credit: © Operation 2022 / Alamy / Afripics
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Keywords: basic, challenge, iron, johnson, mike, mitchell, quantico, school, tbs, training