It takes about two years to order and take delivery of a new interceptor.
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The Pentagon is also examining a location for a third U.S. site for interceptor missiles.
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Warsaw's response has been to draw closer to the United States, by rapidly concluding an agreement in long drawn-out negotiations over the basing of U.S. interceptor missiles on Polish soil.
Deterrence: The first phase system should be comprised of ground and space-based sensors and interceptor systems.
Israel's defence ministry says it has carried out a successful test of its new missile interceptor system.
Japan is also investing heavily in Aegis-equipped warships capable of shooting down incoming ballistic missiles as well as land-based Patriot interceptor systems.
The problem is that the Clinton Pentagon actually did produce a comprehensive Environmental Impact Statement for an Alaskan missile defense system -- albeit one far larger (intended to house up to 100 interceptors) than the modest test facility President Bush proposes to build (involving only 5 interceptor silos).
The Pentagon is also examining a location for a third U.S. site for interceptor missiles to augment the sites in Alaska and California.
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Russia's offer of the use of its radar in Azerbaijan, for example, came with a string attached -- that the United States forgo building an interceptor site in Europe.
By tracing the trajectory of the Palestinian missile within the first few seconds of its flight, the system could calculate whether or not it was heading for a populated area and therefore whether the firing of a defensive interceptor missile was necessary.
The Aspin reprogramming would also disrupt the alternative for defending the continental United States: the Ground-Based Interceptor (GBI) program.
The Aegis system is integrated and managed by Lockheed Martin, relying on a variety of interceptor missiles manufactured by Raytheon.
"They want the period of a day or two to assess the effect of the first missile ... to probably get an orbit or two, to get an understanding of what effect the first intercept had on the satellite before launching another interceptor, " Ham said.
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So Mr Martin said that he still expects to be consulted before any American interceptor missile is fired over Canada.
Secretary Hagel said the first three phases would be fully implemented, but the fourth (deployment of a large interceptor warhead) would not go forward.
Such systems include all phases of the Phased Adaptive Approach to missile defenses in Europe, the modernization of the Ground-based Midcourse Defense system, and the continued development of the two-stage Ground-Based Interceptor as a technological and strategic hedge.
The U.S. plan is to place in Poland a small number of interceptor missiles -- starting with 10 -- that could stop ballistic missiles launched by Iran or other countries.
At present, a relatively inexpensive yet highly effective space-based interceptor known as Brilliant Pebbles is within reach.
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First, the Obama administration announced that it was canceling plans to build missile defense installations and deploy interceptor missiles in Poland and the Czech Republic.
The Bush administration has asked the Czech government to host a radar system and Poland to accept a bank of interceptor rockets designed to stop missile attacks on U.S. or European targets.
Pentagon officials promised to press forward with plans for more tests of the system after an interceptor missile hit a dummy warhead over the Pacific Ocean on Saturday.
So, for example, having an operational Airborne Laser system and a ground based system give the sea based interceptor more timely and accurate information with which to do its job.
He explained that telephone interceptor evidence is the only type that can not be used in court.
Russia objects to interceptor missiles being sited in Poland, arguing that they could be used against it.
Inversely, if the sea based interceptor misses, you could still have a satellite, airborne, and ground based capability.
During a test, the interceptor operators knew where the missile was being launched from and when it was being launched.
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The Bush administration deployed the first ground-based interceptor (GBI) in 2004, and had planned to deploy a total of 54.
That proposed phase includes development of the SM-3II B interceptor, an advanced version of the missile currently provided aboard our Aegis missile defense warships.
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He has now also delayed funding for ground-based interceptor and radar sites in Poland and the Czech Republic for defense against Iranian missile launchers.
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