LC-31 was built next to Navaho complex LC-9, requiring LC-10 to be demolished. Launch Complex Highlights. Launch Complexes 31-32 Systems. Contents. 29 July 1959 - Construction contract awarded; July 1959 - Construction started ; November 1960 - Brick and mortar construction completed; A mobile railway system was built for the Minuteman IA Mobile Basing System near Pad 32A in 1960 … None; Cost: $4,861,107. 2015 opening of the silo; Notes; External links; It was built in 1959 with LC-32 for the U.S. Air Force to conduct test launches of the first LGM-30 Minuteman missiles. Launch Complex 31 (LC-31) is a former launch complex at Cape Canaveral Air Force Station, Florida.. Minuteman I; Minuteman II; Minuteman III; Pershing 1A; Other Programs.