While some of these weapon and sensor systems like the Electromagnetic Railgun or the Free Electron Laser are at least a decade away, the Laser Weapon System and Air and Missile Defense Radar systems are almost ready for prime time deployment today.

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And we will continue to instruct our teams that they work closely together to ensure what is the ultimate outcome -- which is not any particular weapon system or any particular missile range, but rather can we protect our people, can we make sure that the objectives of the alliance are achieved.

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Analysts say North Korea is years away from being able to accurately deliver a nuclear weapon atop a long-range missile.

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The Cornwall carries a 4.5 inch MK8 gun, Goal Keeper CIWS close in weapon systems, Sea Wolf anti-missile system, Harpoon missile launchers, two 20mm close range guns, Lynx MK8 helicopter armament, anti-ship missiles, and one of the most sophisticated command and control communications systems on water.

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For example, an attempt to bring down Zia's jet with a surface-to-air missile in 1982 is bungled because the would-be assassin has never used the weapon before.

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The most determined effort to develop a small, cheap guided weapon, though, is the Forward Firing Miniature Munition (F2M2, or Spike missile), from the Naval Air Weapons Station in China Lake, California.

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