The Defense Department has awarded Lockheed Martin a $405 million contract to re-purpose a Navy rocket designed for submarine launch for use by the Army to give ground forces the means to fire a hypersonic glide body, marking a major development by the Pentagon to ready a new class of ultra-fast conventional weapons to strike high-priority targets in the open salvos of a major fight. On Aug. 6, the Navy's Strategic Systems Programs office awarded Lockheed Martin Space -- headquartered...