On this day, 16 October 2006, Psychological Operations (PSYOP) was established as a basic branch for the U.S. Army. Although, it's official history of service to the U.S. military dates back only to World War I, PSYOP has been used as tactics in war for centuries before and by many civilizations long gone. Today, we use PSYOP as planned operations to convey selected information and indicators to foreign audiences to influence the emotions, motives, objective reasoning, and ultimately the behavio