Yes both Soviet and American rocket scientists have known since the 1960’s such a defense system was impossible. Multiple idealized field tests basically proved it, but it’s a lot of money for defense contractors and their share holders so they will continue to come up with unenforceable contracts with guaranteed payouts, and then give kickbacks to the people who can get those contracts approved.
Yes both Soviet and American rocket scientists have known since the 1960’s such a defense system was impossible. Multiple idealized field tests basically proved it, but it’s a lot of money for defense contractors and their share holders so they will continue to come up with unenforceable contracts with guaranteed payouts, and then give kickbacks to the people who can get those contracts approved.