Centaur is somewhat derived from the original Atlas. The Atlas V itself has very little lineage from the Atlas SM-65, other than name, though it is somewhat con

Centaur is somewhat derived from the original Atlas. The Atlas V itself has very little lineage from the Atlas SM-65, other than name, though it is somewhat connected in a weird ship-of-Thesus way. (It uses the same engines as the Atlas III, which uses the same tank construction technique as the original Atlas.)