Snake Doctor says the fake KFOR troops are wearing "NATO uniforms" (approx. 33 mins into episode) but a Swiss flag is clearly visible on their shoulders. Switzerland contributes troops to KFOR but is not a NATO member.
Prishtina (the capital of Kosovo) is inhabited by over 90% Albanian population and yet in the club and at the doctor at approx 18 minutes the language spoken is Serbian instead of Albanian.
The Unit are in Kosovo to buy black market plutonium. Plutonium is a dark grey metal which looks similar to fresh lead without a patina or oxidation. But the substance Blane tests with the geiger counter is a yellow powder. This implies that it's actually yellow cake uranium and therefore no substitute whatsoever for actual plutonium, yet he doesn't seem to notice the difference.