No. As of version 1.0 beta it is still under construction. There are several efforts under way to accredit OpenShift at FISMA High. During that process this guide will be updated, probably a lot.
Yes, at variants of FISMA Moderate in several places in the US Department of Defense.
If you'd like to get involved, fork the project and send us pull requests.
If you're not sure where to start, or if you've found a mistake or problem, take a look at the project Issues page for this version (1.0beta).
Found a mistake? Great! Open an Issue.
Jason Callaway would be happy to talk your ear off about this. Or you could talk to your Red Hat account team.