If you wanted to build an impenetrable space shield capable of destroying flocks of incoming intercontinental ballistic missiles, who would you call? You might try Scientific Applications International Corp. — Ronald Reagan did. The company participated in the technical aspects of the Strategic Defense Initiative, better known as “Star Wars.”

SAIC provides scientific, engineering, technical and cyber security services for a range of government and commercial clients, prominently including the U.S. defense establishment. It also works on research into cancer, robotics, tsunami warning systems and forensic science. It has conducted support services for the U.S. military in Afghanistan and Iraq.