Not only was the funding effectively unlimited, but it was developed over 20+ years (so the whole program was designed to the standard that "the next person tou

Not only was the funding effectively unlimited, but it was developed over 20+ years (so the whole program was designed to the standard that "the next person touching this code will never have touched this system before, and the last person who touched it isn't available to ask, and it still must be correct in the face of such change." Nothing moved very quickly, sometimes a change request took a year from initial writeup to implementation and close-out. It wasn't creative, but it worked. Very well.