I think I read somewhere about rumors of intelligence agencies availabilty zone, under physical control of US intelligence agencies.

After all, at a massive scale, having access to industry standard tools for provisionning makes sense: give $$$ to AMZN for their software stack and hw integration cost probably less than building your own...?

AWS GovCloud exist solely for this purpose: http://docs.aws.amazon.com/govcloud-us/latest/UserGuide/what...

A really private AV zone is just a step away: put gov guards at the entrance of DCs, replace all AWS teams by in-house personnel (or have AWS teams sworned in at the relevant level...?)