Budget Hearing Defense Secretary James N. Mattis and Marine Corps Gen. Joe Dunford, chairman of the Joint Chiefs of Staff, testify on the fiscal year 2019 defense budget request before the House Armed Services Committee in Washington, April 12, 2018. DoD photo by Navy Petty Officer 1st Class Dominique A. Pineiro SHARE IMAGE: Download Image: Full Size (1.48 MB) Tags: James N. Mattis, SecDef, Joint Chiefs, Joe Dunford, Budget, Marine Corps, Marines, Congressional Hearings , Chairman Photo By: Dominique A. Pineiro VIRIN: 180412-D-PB383-015C.JPG Photo Gallery