It belonged to the The Ukrainian Insurgent Army [UIA]. The UIA was a radically-anti-Communist, nationalistic paramilitary group in the 1940s, whose goal was the elimination of Communism and the overthrow of Soviet rule. The UIA was the "military wing" of a Ukrainian nationalist political party. They were actively pro-German in WWII.
Half a million non-Germans served in foreign divisions to fight in the East. "Better dead than Red", they said.
These thoughts occur to me, as I hear news that seems very much like war coverage: