PARRIS ISLAND, SC - FEBRUARY 25: Female and male Marine recruits listen to instructions as they prepare for a swimming test during boot camp February 25, 2013 at MCRD Parris Island, South Carolina. Male and female recruits are expected to meet the same standards during their swim qualification test. All female enlisted Marines and male Marines who were living east of the Mississippi River when they were recruited attend boot camp at Parris Island. About six percent of enlisted Marines are female. (Photo by Scott Olson/Getty Images)
