Amazon.com founder Steve Bezos plans to build engines that propelled Apollo 11 . Each Saturn V engine weighs nearly 9 tons , and they are in a cluster of four . `` On the other hand , they 're made of tough stuff , so we 'll see . '' Rockets have been underwater since Apollo 11 went to the moon in 1969 .
Amazon.com founder Steve Bezos plans to build engines that propelled Apollo 11 . Each Saturn V engine weighs nearly 9 tons , and they are in a cluster of four . Rockets have been underwater since Apollo 11 went to the moon in 1969 .