https://techcrunch.com/2019/11/14/aws-confirms-reports-it-will-challenge-jedi-contract-award-to-microsoft/

Surely just about everyone was surprised when the Department of Defense last month named Microsoft as the winner of the decade-long, $10 billion JEDI cloud contract — none more so than Amazon, the company everyone assumed all along would be the winner. Today the company confirmed earlier reports that it was challenging the contract award in the Court of Federal Claims.

The Federal Times broke this story.