Player Embed Code: Download Embed Share Northcom, Southcom Commanders Testify at Senate Budget Request Hearing Defense.gov Feb. 15, 2018 | 01:43:43 Air Force Gen. Lori J. Robinson, commander of North American Air Defense Command and U.S. Northern Command, and Navy Adm. Kurt W. Tidd, commander of U.S. Southern Command, testify at a Senate Armed Services Committee hearing on the defense authorization request for fiscal year 2019 and the Future Years Defense Program, Feb. 15, 2018.