The Missile Defense Agency is laying the groundwork for a major enhancement of the nation's sea-based ballistic missile defense capability: The development of a new variant of the Aegis Weapon System optimized for the Navy's most advanced guided-missile destroyer. The Flight III DDG-51 will be armed with the new Air and Missile Defense Radar, the most powerful sensor of its kind in the Aegis fleet. On June 7, MDA published a notice announcing plans to commence development of the new...