Paralympian Elizabeth Marks headed to second Games, far exceeding initial goal to be just 'fit for duty'
Elizabeth Marks just wanted to prove she was fit for military” target=”_blank”>duty<, Sgt. 1st Class Marks, 30, didn’t take up swimming until 2012 after she suffered a bilateral hip injury during a tour in world-regions. She started swimming as a way to get back in shape and qualify for active duty again when a friend…