USA HISTORY

Detailed explanation-1: -The goal of the Strategic Defense Initiative, or SDI as it is commonly known, was to defend the United States from incoming nuclear missiles by a combination of land and space-based weapons. Sensors at battle stations placed on land or in space would detect Soviet missiles when launched.

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: -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-4: -During the 1980s, President Ronald Reagan initiated the Strategic Defense Initiative (SDI), an anti-ballistic missile program that was designed to shoot down nuclear missiles in space. Otherwise known as “Star Wars, ” SDI sought to create a space-based shield that would render nuclear missiles obsolete.