The Chief of Staff, Army announces the following officer assignments:Maj. Gen. Bradley A. Becker, commanding general, U.S Army Military District of Washington, and Commander, Joint Force Headquarters-National Capital Region, Washington, DC to Chief, Office of Security Cooperation-Iraq, United States Central Command, Iraq.Maj. Gen. Randy A. George, deputy director for Regional Operations and Force Management, J-35, Joint Staff, Washington, DC to Commanding General, 4th Infantry Division and Fort Carson, Colorado.Maj. Gen. Ryan F. Gonsalves, commanding general, 4th Infantry Division and Fort Carson, Colorado, to Deputy Commanding General, III Corps, Fort Hood, Texas.Maj. Gen. Michael L. Howard, director, Force Management, Office of the Deputy Chief of Staff, G-3/5/7, U.S. Army, Washington, DC to Commanding General, U.S. Army Military District of Washington, and Commander, Joint Force Headquarters-National Capital Region, Washington, DC.Maj. Gen. Walter E. Piatt, director of Operations/director, Rapid Equipment Fielding, Army Rapid Capabilities Office, Office of the Assistant Secretary of the Army (Acquisition, Logistics and Technology), Washington, DC to Commanding General, 10th Mountain Division (Light) and Fort Drum, New York.Maj. Gen. Leopoldo A. Quintas, Jr., deputy Chief of Staff, G-3/5/7, U.S. Army Forces Command, Fort Bragg, North Carolina to Commanding General, 3d Infantry Division and Fort Stewart, Georgia.Maj. Gen. James E. Rainey, commanding general, 3d Infantry Division and Fort Stewart, Georgia to Assistant Deputy Chief of Staff, G-3/5/7, U.S. Army, Washington, DC.Brig. Gen. Sean M. Jenkins to deputy Commanding General for Operations/Chief of Staff, Installation Management Command, Joint Base San Antonio, Texas. He most recently served as Deputy Director for Operations, U.S. Central Command, MacDill Air Force Base, Florida.Brig. Gen. John S. Kolasheski, commandant, U.S. Army Armor School, U.S. Army Maneuver Center of Excellence, Fort Benning, Georgia, to Deputy Chief of Staff, G-3/5/7, U.S. Army Forces Command, Fort Bragg, North Carolina.Brig. Gen. David A. Lesperance, assistant Commanding General-Support, 1st Special Forces Command (Airborne), Fort Bragg, North Carolina to Commandant, U.S. Army Armor School, U.S. Army Maneuver Center of Excellence, Fort Benning, Georgia.