Sgt. Eric Wesolowski, combat instructor, School of Infantry-West, Advanced Infantry Training Battalion, operates an AN/PRC-117 radio during the 10th Annual Challenge Recon competition at 52 Area, Marine Corps Base Camp Pendleton, Calif., May 17, 2018. The Recon Challenge consisted of eight stations that tested the Marines and sailors physical and mental capabilities. The purpose of the Challenge Recon competition is to give Marines in different job fields an opportunity to get a taste of the rigorous life of a recon Marine. ( Marine Corps photo by Lance Cpl. Drake Nickels)

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