SpaceX: SpaceX heavy lift Falcon X and Falcon XX envisioned for NASA's Pad 39A

which were used for the shuttle orbiters and before that the Saturn V moon rockets. While 39B is being converted to use by the heavy lift Space Launch System, NASA is soliciting bids for a commercial vendor to use and maintain 39A, according to a May 19 ...

via SpaceX heavy lift Falcon X and Falcon XX envisioned for NASA's Pad 39A