CARTER TESTIMONY Defense Secretary Ash Carter testifies on defense posture before the Senate Appropriations Committee's defense subcommittee in Washington, D.C., May 6, 2015. Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, also testified during the hearing. SHARE IMAGE: Download Image: Full Size (0.05 MB) Photo By: VIRIN: 693895-F-OTU18-985.jpg Photo Gallery