To sustain it you need the right people; you need innovative people. Innovative people will flee an organization if they can’t make decisions and take risks. You might recruit them initially, but they won’t stay long. Builders like to build. A lot of this stuff is very simple, really. It’s just hard to do. And the other thing about competition is that you do not want to play on a level playing field. This is why you need innovation, especially in domains like space and cyber.
