Wartime, U.S. issued green beret that has a 1st Special Forces Group (1st SFG (ABN)) flash applied to the face and a parachute silk liner that is embroidered ROSS with a hand embroidered Military Assistance Command Vietnam Studies and Observations Group (MAC V SOG) patch.
In 1969, Stanley Ross served in Vietnam with Military Assistance Command Vietnam Studies and Observations Group (MAC V SOG) assigned to OPS-33 (Psychological Operations) and was later reassigned to MAC V SOG, House 10.