Image showing the layout/redundancy of the communications: https://en.m.wikipedia.org/wiki/LGM-30_Minuteman#/media/File%3AHICS_Lines_Connectivity2.PNG https://

Image showing the layout/redundancy of the communications: https://en.m.wikipedia.org/wiki/LGM-30_Minuteman#/media/File%3AHICS_Lines_Connectivity2.PNG https://en.m.wikipedia.org/wiki/LGM-30_Minuteman#/media/File... There are alternate ways to launch the missiles (e.g. radio from a plane) in the event of an attack.