Strategic Defense Initiative

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Strategic Defense Initiative

proper noun the Strategic Defense Initiative

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.
Similar: SDI, Star Wars

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MLA

"Strategic Defense Initiative." Wiktionary, via Micwyn, micwyn.com/word/strategic%20defense%20initiative. Accessed 6 Nov. 2026.

APA

Strategic Defense Initiative. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/strategic%20defense%20initiative

Chicago

"Strategic Defense Initiative." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/strategic%20defense%20initiative.

BibTeX

@misc{strategic_defense_initiative_2026,
  title = {Strategic Defense Initiative},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/strategic%20defense%20initiative},
  urldate = {2026-11-06}
}