REDSTONE ARSENAL, AL -- The Army is evaluating how hypersonic missiles will fit within the military's command and control structures, as the service prepares to field its first battery of the Long Range Hypersonic Weapon in 2023, according to Gen. Joseph Martin, vice chief of staff of the Army. There are existing command rules based on how far or how high a missile flies, he said. Hypersonic technology could lead the military to alter some of those rules, he said...