The U.S. military will upgrade its Minuteman III intercontinental ballistic missiles while retiring its Peacekeeper missile force, a senior officer told a Senate subcommittee March 25. The larger, multinuclear-warhead-carrying Peacekeeper ICBMs are being decommissioned as part of the Moscow Treaty brokered between the United States and Russia in May 2002. "With Peacekeeper deactivation proceeding as planned, the Air Force has implemented an aggressive life extension program for the Minuteman III ICBM force to ensure weapon system reliability through 2020," Navy Adm. James O. Ellis Jr. explained to members of the Senate Strategic Forces Subcommittee. Ellis heads the U.S. Strategic Command...