General John R. Allen, USMC (Ret.) is a distinguished fellow in the Foreign Policy program at Brookings. Allen retired from the Marine Corps after nearly 38 years of commissioned service. His final tours on active duty were as commander of the NATO International Security Assistance Force and U.S. Forces in Afghanistan; as deputy commander of the U.S Central Command; and as deputy commander of Multinational Force, West in the Al Anbar Province in Iraq. | View Full Bio