U.S. Army Col. Timothy Williams, Commander, with Counter Insurgency Stability Operation Center Joint 3 5 Training, United States Forces - Iraq greets U.S. Army Maj. Gen. Vincent Brooks, Commander, with 1st Infantry Division outside COINSOC, Baghdad, Iraq, Sept. 2. COINSOC hosted the briefing to U.S. Soldiers assigned to 3rd Armored Cavalry Regiment, Advise and Assist Brigade in support of Operation New Dawn.