Paying Respects President Joe Biden, Vice President Kamala Harris, Secretary of Defense Lloyd J. Austin III and Air Force Gen. CQ Brown, Jr., chairman of the Joint Chiefs of Staff, pay respects at the National 9/11 Pentagon Memorial, Sept. 11, 2024. SHARE: Download: Full Size (1.55 MB) Tags: austin, brown, harris, defense secretary, president, 9/11, chairman, vice president, biden Credit: Chad McNeeley, DOD VIRIN: 240911-D-TT977-1220M.JPG Photo Gallery