http://docs.aws.amazon.com/govcloud-us/latest/UserGuide/govcloud-differences.htm...

		ForHackernews on Jan 28, 2015 \| parent \| context \| favorite \| on: Amazon Starts Email Service for Companies http://docs.aws.amazon.com/govcloud-us/latest/UserGuide/govc... > Hard token multi-factor authentication (MFA) devices are not available in the AWS GovCloud (US) region.