Minuteman II LGM-30F ICBMLGM 30F Minuteman II model. The Minuteman II, LGM 30F missile, had a number of significant improvements over the Minuteman I. The LGM 30F was a foot and a half taller. It weighed 73,000 pounds versus the 65,000 pounds of the LGM 30A B. The Minuteman II also had an increased range to 7000 miles, compared to the 6300 miles of the Minuteman I. Additional improvements included an advanced guidance system, increased capability to survive the effects of a