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Folder, "USSR - Fractional Orbital Bombardment System (FOBS), 10/67 - 11/67," Country Files, NSF, Box 231 (Item)
  • with the introduction of various modifications and in particular with the introduction of MINUTEMAN III which will be much less vulnerable during launch to nuclear bursts than MINUTEMAN I and II. In addi­ tion, beginning in mid-1970, the 949 infrared strategic