 BLUE SCOUT launch sites were located at Wisner, West Point and Tekamah, Nebraska.These locations were vital for ERCS effectiveness due to their centralized position in the US, within range of all missile complexes.Later ERCS configurations were placed on the top of modified Minuteman-II ICBMs (LGM-30Fs) under the control of the 510th Strategic Missile Squadron located at Whiteman Air Force Base, Missouri.