Boeing Delivers Final Upgraded Minuteman III Guidance Set

Boeing today announced that it has delivered the final upgraded missile guidance set (MGS) for the Minuteman III intercontinental ballistic missile (ICBM) to the U.S. Air Force, completing 82 months -- or nearly seven years -- of consecutive on-time or early deliveries.

Boeing made the final delivery two months ahead of schedule. The milestone was highlighted at a Dec. 11 ceremony attended by representatives of the Air Force, Boeing and ICBM prime contractor Northrop Grumman.

Boeing performed the MGS upgrade under the ICBM Guidance Replacement Program (GRP), a modernization effort to replace and upgrade the 1970s-vintage navigational electronics in the Minuteman III. Boeing began production of the new electronic sets in 1998.

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