we designed our own patch among the group of friends I run with.there's plenty of patch makers out there that have reasonably priced made to order patches. We did a run of 20 patches for 9 guys.
There's no reason to have a real unit patch on you of any unit foreign or domestic, unless you're doing historical reenacting imo.
I futz with V2s, V3s and V6s. I could be wrong... but probably, most likely not, as far as I know.