The Air Force signed a $5.7 billion contract to transform how it conducts information technology work across the service, which officials say will streamline management and improve warfighters' user experience. The Contractor Team Arrangement, or CTA, contract names CACI NSS as the team lead of 10 companies that will run the service’s Enterprise IT as a Service Wave 1. Though signed in August, the contract had gone through several challenges with the Government Accountability Office, the last of which was...