The Marine Corps is in the process of redefining doctrine on its role regarding security cooperation, which includes discussion about the service's role in the foreign internal defense mission, according to a service spokesman. Marine Corps Commandant Gen. James Amos said July 15 at a Brookings Institution event in Washington that he and Army Chief of Staff Gen. Raymond Odierno believe the foreign internal defense mission can be shared by the Army, Marine Corps and U.S. Special Operations Command. "We're...