POW/MIA Ceremony Secretary of Defense Lloyd J. Austin III and Gen. CQ Brown, Jr., chairman of the Joint Chiefs of Staff, participate in a POW/MIA ceremony at the Pentagon, Sept. 20, 2024. SHARE: Download: Full Size (3.26 MB) Credit: Navy Chief Petty Officer James Mullen VIRIN: 240920-D-ON707-2066.JPG Photo Gallery