General Dynamics showed off its tracked Stryker concept for the first time last week, hoping to upend the multibillion-dollar competition to replace the M113 transport vehicle. Mike Cannon, GD's vice president of ground systems, told reporters at AUSA's annual meeting that the new offering was based on the company's belief that the Army's requirements for the M113 replacement program, known as the Armored Multi-Purpose Vehicle, would drive contractors toward a tracked solution. GD still plans to compete with a wheeled...