DEFENSE TESTIMONY Air Force Chief of Staff Gen. Mark A. Welsh III; Vice Chief of Naval Operations Adm. Mark E. Ferguson; Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff; Deputy Defense Secretary Ashton B. Carter; Robert F. Hale, comptroller; Army Chief of Staff Gen. Ray Odierno; Commandant of the Marine Corps Gen. James F. Amos; and National Guard Bureau Chief Gen. Frank J. Grass testify on sequestration before the Senate Armed Services Committee in Washington, D.C., Feb. 12, 2013. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 000827-E-ANV47-708.jpg Photo Gallery