The program was believed-in by the Soviet military, which spent so much on countermeasures it crashed the Soviet economy, bringing down Gorbachev and, ultimately, the USSR itself. Which seemed OK at the time (people talked about a "peace dividend" -- joke was on us!), but now we have Putin. And Trump.
But I got a free trip to Hungary, in 1987, to report on research in point semiconductor defects, paid for by a grant from the US Air Force out of their Star Wars budget.