Player Embed Code: Download Embed Share Esper, Milley Testify on the 2021 Defense Budget Request, Part 2 Defense.gov Feb. 26, 2020 | 01:52:53 Defense Secretary Dr. Mark T. Esper and Army Gen. Mark A. Milley, chairman of the Joint Chiefs of Staff, testify before a House Armed Services Committee hearing on the Defense Department’s fiscal year 2021 budget request, Feb. 26, 2020.