Player Embed Code: <iframe width='500' height='300' scrolling='no' frameborder='0' style='border: none; overflow: hidden; width: 500px; height: 300px;' allowtransparency='true' src='https://www.dvidshub.net/video/embed/813160'></iframe> Download Embed Share Defense Officials Hold 9/11 Observance for Pentagon Employees Defense.gov Sept. 10, 2021 | 33:01 Deputy Defense Secretary Kathleen H. Hicks and Air Force Gen. John E. Hyten, vice chairman, Joint Chiefs of Staff, host a 9/11 observance for Pentagon employees.