In a watershed development in the race to field a new triad of long-range, hypersonic strike weapons, the Defense Department is selecting defense contractor teams to manufacture prototype common-hypersonic glide bodies -- a key step toward scaling production of new ultra-fast warheads by moving manufacturing from a national laboratory to industry. On Aug. 29, the Army -- acting as executive agent for the Navy, Air Force and Missile Defense Agency -- named Dynetics Technology Solutions, based in Huntsville, AL, as...