A participant grimaces as he climbs an obstacle during the California Army National Guard’s 2015 Best Warrior Competition Nov. 16-20 at Camp San Luis Obispo, San Luis Obispo, Calif. ( Army National Guard photo/Staff Sgt. Eddie Siguenza)

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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