Strategic Defense Initiative

Japanese: Strategic Defense Initiative(英語表記)StrategicDefenseInitiative
Strategic Defense Initiative

...The United States detects ICBM and SLBM launches using early warning satellite systems, and for ICBMs, it uses early warning systems such as the Ballistic Missile Early Warning System (BMEWS) in Alaska and other places, and the Distant Early Warning Line (DEWLINE) along the 70th parallel north on the North American continent, and for SLBMs, it uses phased array radar such as PAVE PAWS.The information is then concentrated at the U.S. Air Force Space Command in Cheyenne Mountain, which strives to detect the missiles early. The Reagan administration, recognizing that the Soviet Union had achieved superiority over the United States in research and development of ballistic missile defense (BMD) systems, announced the Strategic Defense Initiative (SDI, some call it Star Wars) in March 1983, which suggested the promotion of research aimed at the ultimate abolition of nuclear weapons by intercepting and destroying strategic ballistic missiles before they reach the territory of the United States and its allies, rather than deterring a Soviet nuclear attack with immediate massive nuclear retaliation (MAD, mutually assured destruction). This is a multi-layered defense method that uses lasers and other devices to destroy Soviet ballistic missiles at each stage: while the rocket engine is burning, until the multiple nuclear warheads are on orbit for the target, during flight in space, and at the time of terminal entry (Figure 2).

*Some of the terminology used in the "Strategic Defense Initiative" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…アメリカは早期警戒衛星システムによりICBM,SLBMの発射を発見し,ICBMに対してはアラスカなどにBMEWS(ベミユース)(Ballistic Missile Early Warning System)や,北米大陸の北緯70度線に沿ってDEWLINE(デユーライン)(Distant Early Warning Line)などの早期警戒システムで,またSLBMに対してはフェーズドアレー・レーダーのPAVE PAWS(ペーブポーズ)等により確認してシャイアン山中の米空軍スペースコマンドに情報を集中し,ミサイルの早期発見につとめている。レーガン政府は,ソ連が弾道ミサイル防衛Ballistic Missile Defense(略号BMD)システムの研究開発の面でも対米優位を達成したと認識し,83年3月に戦略防衛構想Strategic Defense Initiative(略号SDI,スターウォーズと呼ぶ人もいる)を発表,そのなかで,ソ連の核攻撃をアメリカの即時大量核報復(MAD,相互確証破壊)により抑止することなく,戦略弾道ミサイルが自国および同盟国の領土に到達する前に迎撃破壊することにより,窮極的に核の廃絶をはかることを目的とする研究の推進を示唆した。これはソ連の弾道ミサイルを,ロケットエンジン燃焼中,多核弾頭が目標に対する軌道にのるまで,宇宙空間飛行中,および終末突入時のそれぞれの段階でレーザー等を用いて破壊する多層防衛方式である(図2)。…

※「Strategic Defense Initiative」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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