YORK, PA -- BAE Systems has made one modification to its next-generation amphibious vehicle offering before building prototypes it will deliver to the Marine Corps next spring -- a new engine that provides an additional 150 horsepower. John Swift, BAE Systems program director, told Inside the Navy here April 22 the company decided to install a more powerful engine in preparation of Amphibious Combat Vehicle Increment 1.2. The Marine Corps has not started drafting a capabilities development document for ACV...