Keynote Address Secretary of Defense Lloyd J. Austin III delivers the keynote address during the 2021 Reagan National Defense Forum at the Ronald Reagan Presidential Library in Simi Valley, Calif., Dec. 4, 2021. SHARE IMAGE: Download Image: Full Size (0.94 MB) Tags: Defense Secretary , Austin Photo By: Chad McNeeley, DOD VIRIN: 211204-D-TT977-0195.JPG Photo Gallery