From left, Marine Corps Gen. Joe Dunford, chairman of the Joint Chiefs of Staff; Acting Defense Secretary Patrick M. Shanahan, and DOD Comptroller David L. Norquist, who is performing the duties of the undersecretary of defense, testify at a hearing of the Senate Armed Services Committee on the Defense Department’s fiscal year 2020 budget request, March 14, 2019. DOD photo by Navy Petty Officer 1st Class Dominique A. Pineiro