Star Wars and SDI: Defending America and the Galaxy?

 https://www.reaganlibrary.gov/upcoming-exhibit/star-wars-and-sdi-defending-american-and-galexy

https://www.britannica.com/topic/Strategic-Defense-Initiative

https://en.wikipedia.org/wiki/Strategic_Defense_Initiative 

https://2001-2009.state.gov/r/pa/ho/time/rd/104253.htm

https://en.wikipedia.org/wiki/Particle-beam_weapon#History

https://en.wikipedia.org/wiki/Strategic_Defense_Initiative#Directed-energy_weapon_(DEW)_programs

https://www.reaganlibrary.gov/public/documents/sdi-speech.pdf

https://avi-loeb.medium.com/from-star-wars-to-coexistence-under-the-stars-21442aac4fca

https://www.americanrhetoric.com/speeches/ronaldreagansdi.htm

Some ideas are revived, especially when better technology is available.

https://en.defence-ua.com/analysis/trumps_iron_dome_is_the_same_old_reagans_star_wars_program_but_with_elon_musk_on_board-13348.html