Changing footwear is key for Ukrainian soldiers. Dmytro "Liber" Zhluktenko Ukrainian troops are wearing what they call "tactical Crocs" when they're away from the front line. Soldiers say wearing combat boots all day isn't sustainable. They say the shoes are a hit with younger troops. Ukraine's soldiers are wearing what they call "tactical Crocs" when they're off the front lines. Dmytro Zhluktenko, a Ukrainian soldier who recently transitioned from his role as a drone operator to a drone le...