Gen. James F. Amos, assistant commandant of the Marine Corps, listens to questions and addresses the Senate Armed Services Committee during his confirmation hearing Sept. 21, 2010, at the Dirksen Senate Office Building in Washington, D.C. If confirmed, Amos will be the first career aviator to hold the top Marine Corps post as commandant of the Marine Corps, which has been occupied almost exclusively by infantrymen. - Gen. James F. Amos, assistant commandant of the Marine Corps, listens to questions and addresses the Senate Armed Services Committee during his confirmation hearing Sept. 21, 2010, at the Dirksen Senate Office Building in Washington, D.C. If confirmed, Amos will be the first career aviator to hold the top Marine Corps post as commandant of the Marine Corps, which has been occupied almost exclusively by infantrymen.