SpaceX CEO Elon Musk suing to open up national security launches
cnbc.com
cnbc.com
The related example I can think of was "aerial refueling gate" with the leased aircraft, also involving Boeing.
The part Elon Musk is questioning is that they grouped the launches together, so they could hide behind the national security excuse for contract bid requirements, unnecessarily. That and adjusted the time frame so only ULA could possibly bid.