I got here from a Firearm news site while I was looking up the HCAR. This article post is linked in a bunch of news posts, one claims they cannot verify any of these documents or warrant.
There's more than one Cory in service, it's probably likely a Cory did go Awol but documents oddly dated can be easily forged in pdf writers, the documents can easily be a different Cory. Hell, just facebook anyone there's multiple people with the same name for just about everyone. You people...