By 
MARINE CORPS BASE QUANTICO , Va. – For the third year in a row, dueling wheeled amphibious combat vehicles (ACVs) are center stage at the Modern Day Marine expo here.The two 8x8 armored amphibious personnel carriers – one each built by BAE Systems and Science Applications International Corp. [SAIC] – sit side by side in the competing companies’ booths. Their orientation is appropriate, as the vehicles are undergoing parallel test programs in an ongoing effort to become the Marine Corps…
