Marine Commandant Gen. James Conway today defended the service's Expeditionary Fighting Vehicle program and told reporters that the V-22 tiltrotor will deploy to Afghanistan by the end of the year. "The EFV is going to revolutionize the battlefield," Conway said at a Pentagon briefing. He called the armored and tracked amphibious vehicle, designed to carry Marines from ships to shore, a "critical requirement" and noted that China has a "similar vehicle." However, Defense Secretary Robert Gates has recently questioned the...