Amazon EC2 Fleet Functionality is Now Available via EC2 Auto Scaling in the AWS GovCloud (US-East) Region

Amazon EC2 Auto Scaling now lets you provision and automatically scale instances across purchase options, Availability Zones (AZ), and instance families in a single Auto Scaling group (ASG), to optimize scale, performance, and cost. Now you can include Spot Instances with On-Demand and RIs in a single ASG, to save up to 90% on compute in the AWS GovCloud (US-East) Region.