page_title: Terminal High Altitude Area Defense
section_title: Hawaii
hierarchical_section_title: Terminal High Altitude Area Defense / Deployments / Hawaii
caption_attribution_description: 日本語: 2018年12月10日にハワイ州カウアイ島にある太平洋ミサイル試射場で行われたイージスアショアミサイル防衛実験施設で発射されたSM-3ブロックIIAミサイル English: A Standard Missile (SM) 3 Block IIA is launched from the Aegis Ashore Missile Defense Test Complex at the Pacific Missile Range Facility at Kauai, Hawaii, Dec. 10, 2018, to successfully intercept an intermediate-range ballistic missile target in space. 181210-A-AB123-005
context_page_description: Terminal High Altitude Area Defense, formerly Theater High Altitude Area Defense, is an American anti-ballistic missile defense system designed to shoot down short-, medium-, and intermediate-range ballistic missiles in their terminal phase by intercepting with a hit-to-kill approach. THAAD was developed after the experience of Iraq's Scud missile attacks during the Gulf War in 1991. The THAAD interceptor carries no warhead, but relies on its kinetic energy of impact to destroy the incoming missile. A kinetic energy hit minimizes the risk of exploding conventional-warhead ballistic missiles, and the warhead of nuclear-tipped ballistic missiles will not detonate upon a kinetic-energy hit.
  Originally a United States Army program, THAAD has come under the umbrella of the Missile Defense Agency. The Navy has a similar program, the sea-based Aegis Ballistic Missile Defense System, which also has a land component. THAAD was originally scheduled for deployment in 2012, but initial deployment took place in May 2008. THAAD has been deployed in Guam, the United Arab Emirates, Israel, Romania, and South Korea.
context_section_description: In June 2009, the United States deployed a THAAD unit to Hawaii, along with the SBX sea-based radar, to defend against a possible North Korean launch targeting the archipelago.
caption: SM 3 Block IIA launched from the Aegis Ashore in Hawaii
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