Real life concepts and theories
https://web.archive.org/web/20060317104832/http://www.heritage.org/Research/NationalSecurity/upload/87946_1.pdf
https://web.archive.org/web/20060317104832/http://www.heritage.org/Research/NationalSecurity/upload/87946_1.pdfAttention Required! | Cloudflare
http://www.heritage.org/Research/NationalSecurity/upload/87946_1.pdfThe Heritage Foundation - Wikipedia
https://en.wikipedia.org/wiki/The_Heritage_FoundationWayback Machine - Wikipedia
https://en.wikipedia.org/wiki/Wayback_MachineMissileThreat :: Brilliant Pebbles
https://web.archive.org/web/20101019035528/http://www.missilethreat.com/missiledefensesystems/id.13/system_detail.asphttp://www.missilethreat.com/missiledefensesystems/id.13/system_detail.asp
http://www.missilethreat.com/missiledefensesystems/id.13/system_detail.aspClaremont Institute - Wikipedia
https://en.wikipedia.org/wiki/Claremont_Institute