The Navy's fiscal year 2017 budget proposal will double down on future plans to boost the strike capability of its Virginia-class submarines by increasing the number of Virginia Payload Modules the service anticipates procuring in its five-year plan from one to two, according to Defense Secretary Ash Carter. While previewing select elements of the Navy's upcoming budget request during a Feb. 3 address to sailors in San Diego, Carter said the Defense Department would buy an additional VPM. "We're going...