an informal name for SDI. a very popular US film made by George Lucas, about people in the future who live in a distant part of the universe. The film describes the battles between the forces led by Luke Skywalker and those led by the evil Darth Vader. The good characters in the film are helped and protected by a magic power called 'the Force'. Other films show what happened both before and after the action of this story (1977)
common name for the American military plan for destroying incoming nuclear missiles while they are still in the air; name of a science-fiction film