Tech. Sgt. Luis Ochoa, 319th Logistics Readiness Squadron special purpose NCOIC, strives to complete a sit-up in the ultimate relay event at the fitness center during the 2015 Winter Bash, on Feb. 26 on Grand Forks Air Force Base, N.D. Teams of four have to complete a litter carry, move six weighted kettle bells, complete 70 sit-ups and 50 pushups, stacked weights on a weight tree and run 4 laps wearing a weighted vest. 319th Civil Engineer Squadron team one won first place overall. (U.S. Air Force photo/Senior Airman Xavier Navarro)
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