U.S. Marine Corps Lance Cpl. Ben Putnam, a rifleman with 1st Battalion, 3d Marines, conducts the 1,400-meter swim event during the 3d Marine Division Squad Competition on Camp Schwab, Okinawa, Japan, ...
Though he's a proven veteran of record-setting swims — earning Guinness honors for swimming the world's other major rivers, including the Danube in Germany in 2000 (1,867 miles), the Mississippi in ...