Launch Complex 18 (LC-18) is a launch complex at the Cape Canaveral Air Force Station Florida that was active during the late 1950s and early 1960s. It was used by Viking Vanguard Thor and Scout rockets. The complex consists of two launch pads LC-18A which was originally built by the US Navy for the Vanguard rocket and LC-18B which was originally by the US Air Force used for tests of the PGM-17 Thor missile.