Military of China, force comment.
Military of China, force comment.

data for: the United States in South Korea deployed PAC-3 anti-missile interceptor missiles
data for: U.S. Navy warship fired the SM-3 sea-based anti-type guide interceptor missiles

“World News” special correspondent/Chapter Excellence

U.S. officials said three available anti-missile systems, firing more than interceptor missiles, a large probability of success

25, said the U.S. Department of Defense, for North Korea to the United States the possibility of long-range missile launch, conducted three intercept exercise. Currently the United States through a variety of diplomatic channels to pressure North Korea, the U.S. North Korea envoy will visit South Korea and Japan this week, Bosworth and Russia four countries, efforts to promote the Six-Party Talks process and North Korea abandon its nuclear program to promote specific measures to be taken. Meanwhile the U.S. military has also taken measures to cope, according to several U.S. media reports, the U.S. military has deployed a missile defense system from test mode to combat mode, keep alert.

US exercises to intercept North Korean missiles

by spy satellite photographs of the analysis, the U.S. intelligence agencies believe that North Korea claimed that the satellite may be able to hit the U.S. mainland the “Taepodong 2″ long-range missiles.

U.S. “Washington Times” recently quoted several U.S. defense officials as saying that no matter what kind of long-range North Korean missile launch, the United States will be regarded as “provocative act,” the U.S. Defense Department is starting to deploy ground missile defense system.

25, the U.S. Department of Defense Missile Defense Agency Secretary O’Reilly in the House Armed Services Committee hearing that in order to be able to intercept North Korean missiles near Alaska, the United States has conducted three intercept exercise. Through the three drills, make sure the current U.S. missile defense system, can intercept North Korean long-range missiles.

In fact, February 10, U.S. Defense Secretary Robert Gates had warned that if North Korea launches long-range missiles toward the United States, the U.S. military will be blocked. But Pentagon officials also pointed out that although the United States to shoot down North Korean missiles can choose the response, but the U.S. also have to consider the consequences to intercept North Korean missiles, including the interception failed, angered North Korea, the intensification of contradictions between the adverse consequences of the United States. U.S. think tank experts believe that doing so may break the six-party talks would provide North Korea an excuse.

South Korea, “Chosun Ilbo” that North Korea announced that it will launch the official remarks satellite coping styles may have an impact on the United States, the United States is not involved in order to “destroy the satellite,” caused by violation of the sovereignty dispute we must wait until the body is identified the missile before it can launch to intercept.

three-tier defense system to prepare

to intercept incoming missiles, based on the timing of different ballistic missile defense system can usually be classified into three categories. “Boost phase” defense system is in the boost phase intercept the incoming missile, usually in the missile launch, not commercially available within a few minutes to intercept the warhead. “Stub” means a ballistic defense system is the final stage of flight, ie incoming missiles re-entering the atmosphere and is about to hit the target, to intercept the incoming missile. “Middle” defense system to intercept range is above the vast area between the two, seeks out the missile after the missile has not yet re-entry, in the vacuum of space flight to intercept the incoming warhead. From the U.S. point of view the process of building a missile defense now, the U.S. military already has the “middle” and “Stub” initial interception capability. “Middle” interceptor weapons to U.S. forces deployed in the Pacific on the “Aegis” class guided missile destroyers and cruisers deployed in Alaska and Fort Greeley middle ground-based interceptor missiles based, “the last paragraph,” interceptor weapons to deploy in the United States The “Patriot” missile-based.

analysis pointed out that if North Korea test-fired missiles, the U.S. military prepared to intercept the three-tier defense system will be used. The first layer is the U.S. military’s missile defense facility, the U.S. 7th Fleet’s “Aegis” class cruisers and destroyers. U.S. “Aegis” ships in early-warning satellite and radar detection of the assistance, first determine the missile’s flight path, and then launch the “standard 3″ interceptor missiles to intercept. If the intercept is not successful, will enter the second layer of defense. The first layer of missile interception system, the relevant information is passed to cruise through the communication system in the Pacific Ocean’s “Aegis” warships and deployed at Fort Greeley in Alaska, command and control systems, missile defense intercept by the organization. If unsuccessful the second layer is still blocked by the deployment of U.S. coastal waters and California’s Vandenberg Air Force Base, sea-and land-based missile defense forces to intercept a third layer.

but analysts believe that the North Korean missile or satellite launch in the end is not yet conclusive, only in order to determine the launch vehicle after launch. Shorter periods of time, intelligence information is not clear, do not expect the U.S. to intercept in the first layer, but to make clear to the DPRK launched an object to determine and accurately measure its trajectory and flight path, the use of the second and third floor defense system to intercept.

“News of the World”

news analysis/ANALYSIS

weakness of the U.S. missile defense system

the moment, the U.S. missile defense system, there are still many weaknesses.

First, the lack of “boost phase” interception of the effective means. U.S. pursuit of the best blocking effect in their boost phase missile destroyed, which means launching the missile debris could fall within the country. U.S. “boost phase” intercept the principal means of space-based laser weapons to the main, but in recent years, experimental situation, the Boeing 747 aircraft equipped with laser weapons do not have combat capability.

Secondly, the “middle” intercept means there is “lame.” In recent years, the U.S. military for the “middle” means to intercept a number of tests. Although sea-based interceptor test more successful, but there are several ground-based interceptor test failed record.

again, intercept test do not have the actual combat. Although the United States to North Korean missiles as the imaginary enemy had carried out several missile intercept test, but because of their previous knowledge of the target missile launch time, flight path, the point of impact and other detailed information, was able to successfully intercept. Intercept test and many do not distinguish between warheads and decoys tested the ability.

against the United States is prepared to intercept North Korean missiles, the Pentagon’s missile defense system testing in Si Maikui chief officer Charlie 24 wrote in a report to Congress also recognized, can effectively intercept North Korean missile launch, U.S. does not “high level of confidence.” However, O’Reilly, 25, Missile Defense Agency Secretary stressed that although the missile defense system is not comprehensive enough and imperfect, but the United States reserves the sea-and land-based interceptor missiles in larger quantities, so if more than the same time launching interceptor missiles to intercept the the relative probability of success will increase. U.S. interceptor test is usually fired five interceptor missiles to intercept an enemy missile. (Zhang Zhuo)