Troops without insignia, scarey.
check it out:

One of the strangest acts of war in history is under way, as Russian troops – wearing uniforms without insignia – saunter across the border and take control of airports in the semi-independent Crimean region of the Ukraine, thus far without firing a shot. Confronted about the slow-motion invasions, the Russian government shrugs and claims to be surprised by all those troops milling around.