Originally Posted by
Flubber
It's always been that way. Go pick up a copy of Lost Moon (Lovell) or Never Panic Early (Haise) and you'll see all sorts of aerospace companies (many names now history due to mergers and acquisitions over the years) that were central in producing the machinery used in the space programs.
Yup. As a kid I had a collection of Grumman model aircraft, and one of them was the lunar lander.