<a href="https://en.wikipedia.org/wiki/Strategic_Defense_Initiative" id="mw8w" rel="mw:WikiLink" title="Strategic Defense Initiative">Strategic Defense Initiative</a>: President <a href="https://en.wikipedia.org/wiki/Ronald_Reagan" id="mw9A" rel="mw:WikiLink" title="Ronald Reagan">Ronald Reagan</a> makes his initial proposal to develop technology to intercept enemy missiles.