Sgt. Sheridan Low, 235th Engineer Company, nears the finish line of a grueling 10-mile ruck march in the California Army National Guard’s 2015 Best Warrior Competition at Camp San Luis Obispo, San Luis Obispo, Calif. Low ended first in the ruck march among his 12 competitors. ( Army National Guard photo/Staff Sgt. Eddie Siguenza)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
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Keywords: air, army, bureau, caarng, calguard, california, camp, challenge, competition, eddie, guard, land, luis, national, navigation, nco, ngb, obispo, obstacle, san, siguenza, slo, soldier, ssg, warrior, year