https://www.reuters.com/article/us-amazon-com-pentagon-esper/us-defense-chief-says-cloud-contract-was-fair-despite-amazon-challenge-idUSKBN1XP0GK >U.S. Defense Secretary Mark Esper said on Friday the Pentagon awarded Microsoft Corp an up to $10 billion cloud computing contract after a fair competition, after Amazon.com Inc announced plans to challenge it over alleged bias.