AWS Transit Gateway is Now Available in the AWS GovCloud (US) Regions

AWS Transit Gateway is now available in both AWS GovCloud (US) Regions. AWS Transit Gateway enables customers to connect thousands of Amazon Virtual Private Clouds (Amazon VPCs) and their on-premises networks using a single gateway. As you grow the number of workloads across multiple AWS accounts, you need to scale your networks, better control your policies, and effectively monitor your resources.  
Quelle: aws.amazon.com