411 REFERENCE · Wiktionary
Strategic Defense Initiative
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Proper noun
1 Strategic Defense Initiative
en historical A system proposed by U.S. President Ronald Reagan on March 23, 1983, to use ground-based and space-based systems to protect the United States from attack by strategic nuclear ballistic missiles.
Synonyms
en SDI
en Star Wars
Translations
proposed missile defense system Star Wars
Further reading
the Strategic Defense Initiative
en Weapons Nuclear warfare Space flight Ronald Reagan