Is There a Symbiotic Relationship Between Military and Private Corporations?

There's a symbiotic relationship twen the militaries and the private corporations that supply them with arms. The military coach the companies into figuring out what kind of kit they want, and the companies push back and constantly toggle the designs in ways which will be more beneficial for them. Most military systems in the united states now can no longer operate without substantial contractor input. There is genuine expertse that's developed on both sides.