Lực lượng phòng vệ Nhật Bản - 日本国自衛隊 - The Japan Self Defence Forces P2

Aster 30
Aster is a family of surface-to-air missiles manufactured by Eurosam, a European consortium consisting of MBDA France, MBDA Italy (combined 66%) and the Thales Group (33%).
The Aster family was developed to perform three distinct missions:
* Naval autodefence ?" using the Aster 15 surface-to-air anti-missile missile (SAAM) as used on the French aircraft carrier Charles de Gaulle (SAAM-FR), the future Italian aircraft carrier Cavour (SAAM-IT) and selected for the 27 French/Italian FREMM multipurpose frigates.
* Naval local and zone defence ?" Integrated Principle Anti-Air Missile System (PAAMS) using Aster 15 and Aster 30 missiles, selected by British, French and Italian navies. PAAMS delivered by EUROPAAMS consortium, another MBDA/Thales partnership.
* Ground-based area defence ?" Sol-Air Moyenne Portée (SAMP-T) using batteries of Aster 30 missiles.
During the 1980s, the predominant missiles in Franco-Italian service were short-range, such as the French Crotale, Italian Aspide or American Sea Sparrow, with ranges up to a dozen kilometres. Some vessels were also equipped with the American medium/long range Standard.
France and Italy decided to start development of a domestic medium/long range surface-to-air missile, to enter service in the first decade of this millennium, that would give them comparable range and superior interception capability to the American Standard or British Sea Dart already in service. Thought was given in particular to the new missile''s ability to intercept next-generation supersonic anti-ship missiles, such as the Brahmos missile developed jointly by India and Russia.
This allowed the actual systems to have the characteristic of being specialised either in short-to-medium range "point defence" (ships, for instance), or in medium-to-long range "zone defence" (fleets).
The resulting Aster surface-to-air missile meets inter-service and international requirements, addressing the needs of the land, air and naval forces of France, Italy and the United Kingdom. The decision to base the missile around a common terminal intercept ''dart'' to which different sized boosters can be attached has made it modular and extensible.
Ad***ionally, the Aster system was designed in such a way as to allow any of the versions to have an anti-ballistic tactical missile role[1].
http://en.wikipedia.org

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SM-3 Block I

The SM-3 did not carry a fully functional LEAP in this test, but it successfully closed to within the required distance to the target and the LEAP acquired the target with its seeker sensor. A year later, on the fourth test on 25 January 2002, another SM-3 fired by the LAKE ERIE scored a kill on an Aries ballistic missile target, hitting at a relative speed of four kilometers per second. This success was followed by another intercept in June 2002, and a third success on 21 November 2002, with the third intercept shooting down the target during boost phase. The next attempt was a failure, but following tests proved generally successful.
A decision was made in early 2003 to field the SM-3. A total of 16 Aegis cruisers and destroyers had been upgraded to the "initial defensive operations (IDO)" configuration by the beginning of 2008, though nine of them only had tracking capability and could not handle the SM-3 interceptor. Ultimately, all existing Aegis cruisers and destroyers could be upgraded, as well as vessels currently in the procurement pipeline.
The upgrade involves fit of an improved Aegis radar, the "SPY-1E". The SPY-1E has greater power, range, and target discrimination than its predecessor. A next-generation X-band radar is in the development pipeline behind the SPY-1E. NTW''s planned operation from cruisers and destroyers does give it an advantage, since such vessels can be sent to remote trouble spots as part of a normal naval deployment, lowering the profile of the introduction of missile defense weapons in such regions during a crisis. Work is underway on development of a "Block 2" NTW system. The Block 1 LEAP has an infrared seeker that operates at a single IR wavelength, while the Block 2 seeker operates on two wavelengths and has active radar sensing as well.
On 20 February 2008, an SM-3 fired from the LAKE ERIE from off of the Hawaiian actually intercepted a satellite. The satellite was a classified spacecraft, designated "NROL-21", that had failed in orbit after being launched in December 2006. It was falling to Earth anyway, with the rationale for the interception merely to ensure that it was broken up thoroughly so it wouldn''t present a hazard when it came down. The interception was loudly criticized by Russia and China, with the Russians claiming that it was actually an attempt to demonstrate an antisatellite weapon system.
* Japan is cooperating with the US on the NTW program, formally initiating a program in late 2003 to obtain a missile-defense system, based the Patriot PAC-3. 124 PAC-3s will be obtained by 2010, with 32 provided by the US and the rest license-built by Mitsubishi Heavy Industries. The Japanese are deploying a new, indigenously-designed radar system, the FPS-XX, at four sites to prove missile tracking capabilities, working jointly with US X-band radars. The Japanese Maritime Self-Defense Force (JMSDF) is also acquiring the SM-3 for JMSDF Aegis-class vessels, with their radars upgraded accordingly. The first test launch of an SM-3 from a JMSDF vessel was in late 2007, with the SM-3 kill vehicle hitting a target vehicle simulating a North Korean ballistic missile. The political message behind the test was blatantly obvious.
South Korea has considered a ballistic missile defense, and the possibility that a TMD system could be based in Taiwan has brought protests from the government of mainland China. The mainland Chinese have been upset about American missile-defense efforts, even though China was not a signatory to the ABMT. The country relies heavily on ballistic missiles as a military capability, and an effective missile defense against their relatively small and crude arsenal of long-range strategic weapons could leave them vulnerable to attack.
* The Navy is considering a follow-on version of the SM-3 that would increase range by expanding the diameter of the second stage from 35 to 53 centimeters, matching the width of the fast-burn booster.
The service has also considered next-generation technology for TMD. One concept is for a "Mass Moment Missile (3M)", which would achieve directional control by shifting a mass around inside its airframe, instead of thrust vector controls. The result would be a lighter and faster missile. Improved seeker technology is another item being investigated. One option is a simplified, cheaper passive infrared seeker that would have a 220 degree field of view, using a panoramic mirror to reflect infrared energy onto a fixed detector. An alternative option is an advanced active seeker, probably using millimeter-wave radar technology.
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TRước hết xin thành thật xin lỗi vì đã nhầm lẫn , sự thật là Nhật ko mua Tomahauk ,có sơ xuất trong phần tìm kiếm , mong mọi người thông cảm , xin thành thật xin lỗi.Thanks bạn vì đã nhắc mình
Mình Sẽ xóa những bài liên quan về Tomahauk ở trang 26 thay = những bài khác
http://ttvnol.com/forum/quansu/1174594/trang-26.ttvn
Được alphandt sửa chữa / chuyển vào 23:57 ngày 19/06/2009
Được alphandt sửa chữa / chuyển vào 00:09 ngày 20/06/2009

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