Well, part of this integration is inevitable. Defense materiel is so complicated, leading to high expenses that the DoD is required to manage vendors. Much of t

Well, part of this integration is inevitable. Defense materiel is so complicated, leading to high expenses that the DoD is required to manage vendors. Much of the aerospace consolidation that has happened in the past 30 years has been "encouraged" by the Pentagon as they think a smaller vendor can't really compete. At the same time, they want to preserve the industrial capacity so that they have flexibility when the military equivalent of the 737MAX strikes. That's why ULA is still around despite SpaceX kicking its butt.