WORLD HISTORY

Detailed explanation-1: -The Strategic Defense Initiative (SDI), derisively nicknamed the “Star Wars program", was a proposed missile defense system intended to protect the United States from attack by ballistic strategic nuclear weapons (intercontinental ballistic missiles and submarine-launched ballistic missiles).

Detailed explanation-2: -Strategic Defense Initiative (SDI), byname Star Wars, proposed U.S. strategic defensive system against potential nuclear attacks-as originally conceived, from the Soviet Union. The SDI was first proposed by President Ronald Reagan in a nationwide television address on March 23, 1983.

Detailed explanation-3: -In a televised address to the nation, delivered on March 23, 1983, President Reagan announced his vision of a world safe from nuclear threat. His Strategic Defense Initiative (SDI), later dubbed “Star Wars” by the press, is an idea that remains controversial to this day.

Detailed explanation-4: -The Strategic Defense Initiative (SDI) arose due to the threat of Soviet intercontinental ballistic missiles. The Strategic Defense Initiative was an anti-ballistic missile program that began under American president Ronald Reagan during the 1980s.

Detailed explanation-5: -Ground-based interceptor missiles Currently some GBI missiles are located at Vandenberg SFB[Space Force Base] in California. These GBIs can be augmented by mid-course SM-3 interceptors fired from Navy ships. About ten interceptor missiles were operational as of 2006.