Player Embed Code: Download Embed Share DOD, Navy Leaders Testify Before House Committee Defense.gov Oct. 25, 2023 | 01:40:19 Defense Department and Navy leaders testify about the capabilities of the submarine industrial base to meet the strategic objectives of the AUKUS security partnership between Australia, the United Kingdom and the U.S. Testifying before the House Armed Services Committee are: Mara E. Karlin, performing the duties of deputy undersecretary of defense for policy; Erik K. Raven, undersecretary of the Navy; Navy Vice Adm. William Houston, naval submarine forces commander; and Navy Rear Adm. Jonathan Rucker, Attack Submarines Program executive officer.