When the Army steps up and does its job as well as the Marine Corps.  The official mission of the Marine Corps has been over since the first part of the war.  The Marine Corps is not a static fighting force.  The mission of the Marines is to be mobile.  While the Army is designed for static fighting.  Also depleted uranium has no ill effects.  You will not get cancer by holding it.  It is DEPLETED. That means it is not radioactive.