Player Embed Code: Download Embed Share Senate Holds Nomination Hearings for Centcom, Socom Chiefs Defense.gov Dec. 4, 2018 | 01:40:31 Marine Corps Lt. Gen. Kenneth McKenzie and Army Lt. Gen. Richard Clarke testify before the Senate Armed Services Committee in Washington regarding their nominations to become the new commanders of U.S. Central Command and U.S. Special Operations Command, respectively, Dec. 4, 2018.