MOORESTOWN, NJ -- With its sights set on the Navy's next-generation large surface combatant, contractor Lockheed Martin is developing a new vertical launch system, resembling its existing Mk 41 launcher, that can fire hypersonic Conventional Prompt Strike missiles from a surface ship. Although the Navy has yet to publish formal requirements for its future destroyer, Lockheed Vice President of Naval Combat and Missile Defense Systems Joe DePietro said the company is investing in the new VLS capability because initial DDG(X)...