ORACLEloses their DoD Joint Enterprise Defense Infrastructure (JEDI) cloud court challenge. The ~$10bn Pentagon cloud contract to go to AWS or Microsoft as early as August 2019.
Whether because of impropriety, or simply because they had the best cloud service for this use case, the original JEDI proposal did indeed seem heavily favored towards AWS, with contractual stipulations only it met at the time. But with the added delay to the contract's closure, brought about by multiple lawsuits and internal investigations, Microsoft Azure has become a viable contender.
Full details of the JEDI RFP are here. The security requirements are broad enough that you can drive a tank through them