 The original mission of BMDO was comparable to that of SAFEGUARD, which was to defend U.S. ballistic missile sites, but BMDO additionally had the more general role of conducting research and development in advanced ballistic missile defense (BMD) technology and also managed what was then called the Kwajalein Missile Range (KMR).In July 1984, BMDO became a part of the Strategic Defense Initiative Organization (SDIO) and one year later BMDO was renamed the U.S. Army Strategic Defense Command.The name "Ballistic Missile Defense Organization" (BMDO) came back into use in 1993 when SDIO was renamed BMDO by the administration of President Bill Clinton and this was accompanied by a shift in emphasis from national missile defense to theater missile defense, i.e.