The U.S. Army's newest armored vehicle, the Stryker, is plagued with problems and fraught with dangers for crewmen, say military watchdogs and other organizations who have examined the wheeled vehicle's performance record. Also, critics and analysts have questioned the Defense Department's procurement of the vehicle as well as the Pentagon's decision to build it, adding the military has ignored warnings about the Stryker's perceived vulnerability and overall survivability in combat. According to an analysis by the Project On Government Oversight, or POGO, one of the Pentagon's own testing officials sent the defense agency a letter warning the $3 million-per-copy Stryker...