Defense Secretary Ash Carter has unveiled a previously classified Navy project to double the punch of the Standard Missile-6 by giving the defensive weapon -- designed to protect the fleet from enemy cruise missiles and ballistic missiles -- a new, previously undisclosed offensive capability: the means to attack far-away adversary ships. During a Feb. 3 address to sailors in San Diego, CA, Carter said the Navy last month successfully demonstrated the SM-6's new offensive capability, channelling the speed and maneuverability...