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/594709'></iframe> Download Embed Share National Guard Bureau, Reserve Chiefs Testify at Senate Committee Hearing Defense.gov April 17, 2018 | 01:40:00 Air Force Gen. Joseph L. Lengyel, National Guard Bureau chief, and Reserve chiefs from the military services, testify before a Senate Appropriations Committee for defense, April 17, 2018.