The Marine Corps and Science Applications International Corp. have agreed the company must deliver 16 next-generation amphibious vehicle prototypes by the end of August -- a date later than the original schedule because of technical problems with the trucks. The company has delivered six vehicles to the service, SAIC spokeswoman Monty Vest wrote in a June 9 statement to Inside the Navy . The other vendor competing for the Amphibious Combat Vehicle Increment 1.1 competition, BAE Systems, has delivered 13...