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The term "national missile defense" has several meanings: (Most common, but now deprecated:) U.S. National Missile Defense, the limited ground-based nationwide antimissile system in development since the 1990s. In 2002 this system was renamed to Ground-Based Midcourse Defense (GMD), to differentiate it from other missile defense programs, [1 ...
Ground-Based Midcourse Defense. A Ground-Based Interceptor loaded into a silo at Fort Greely, Alaska in July 2004. Ground-Based Midcourse Defense (GMD), previously National Missile Defense (NMD), is an anti-ballistic missile system implemented by the United States of America for defense against ballistic missiles, during the midcourse phase of ...
The Missile Defense Agency is partially or wholly responsible for the development of several ballistic missile defense (BMD) systems, including the Patriot PAC-3, Aegis BMD, THAAD and the Ground-Based Midcourse Defense system with a cost of $194 billion. [15] They also led the development of numerous other projects, including the Multiple Kill ...
TEL. Terminal High Altitude Area Defense (THAAD), 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 (descent or reentry) by intercepting with a hit-to-kill approach. [2][3] THAAD was developed ...
The Missile Defense Agency leads the development of anti-ballistic missiles for North America. The Next Generation Interceptor (NGI) [21]: 4:13 is a MDA program to upgrade the kill vehicles for the ground-based interceptors, with different vendors, Lockheed Martin and Northrop Grumman competing. [22]
Federal government of the United States. The Strategic Defense Initiative (SDI), was a proposed missile defense system intended to protect the United States from attack by ballistic nuclear missiles. The program was announced in 1983, by President Ronald Reagan. [ 1 ] Reagan called for a system that would render nuclear weapons obsolete, and to ...
(Reuters) -Lockheed Martin has won a $17 billion contract to develop the next generation of interceptors to defend the United States against an intercontinental ballistic missile attack, the U.S ...
This is an earlier model before the GPALS upgrades. Approximately 1,600 satellites maintained in orbit for a boost-phase interception system. [1] Brilliant Pebbles was a ballistic missile defense (BMD) system proposed by Lowell Wood and Edward Teller of the Lawrence Livermore National Laboratory (LLNL) in 1987, near the end of the Cold War.