A key component of an air-launched missile defense system demonstrated its ability to acquire and track a ballistic missile target in the boost phase, according to Raytheon.

日前，一种空射导弹防御系统的关键组成部分成功演示了对助推段弹道导弹的截获与跟踪能力。

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The strategy includes overlapping layers of air defense systems, naval assets such as submarines, and advanced ballistic missile systems all woven together with a network of satellites.

该战略涵盖了层层相叠的多级空中防御系统、海军装备如潜水艇以及先进的弹道导弹系统，所有这些在卫星网络的控制下交织在一起。

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For the fifth time out of six attempts, Navy ships successfully tracked, intercepted and destroyed a ballistic missile in-fight, using their existing AEGIS fleet air defense systems and a new Standard Missile, dubbed the SM-3.

CENTERFORSECURITYPOLICY: Go Navy missile defense!

The Obama Administration is not going to build a Death Star and I do not have a problem with that but the Obama Administration is also refusing to fund a second development air-frame for the Boeing anti-ballistic missile laser battle station and that I regard as a serious policy error.

FORBES: White House Denies Petition Request To Build A Death Star

The Patriot is an advanced surface-to-air missile system intended to defend against aircraft, cruise and ballistic missiles.

BBC: Fact file: Patriot missile defence