Casper Arms cover the U.S. Army's "Evil" Battalion that plays the role of the OPFOR in field training exercises... "We used to think of the U.S. Army as tough guys in OCPs and M-4 rifles. But what if I told you that there are entire battalions and regiments that serve... with AK rifles and are trained to Soviet standards! So how are these units set up, and why do so many other soldiers hate them?"