S.D.I. Strategic Defense Initiative .:. Now The Odds Are Even

SDI – Strategic Defense Initiative, or simply titled SDI and sometimes known as Global Defense, is a 1987 side-scrolling shoot ’em up arcade game originally produced and released internationally by Sega. It was later ported to home computers and game consoles, some by other companies. Players control a satellite and must destroy enemies by moving a crosshair over them and firing the satellite’s weapons.

This so-called “Star Wars” program was introduced by U.S. President Reagan to promote defensive weaponry that could shoot ICBM’s out of space