Player Embed Code: Download Embed Share Maritime Military Leaders Hold Panel Discussion at Sea-Air-Space Expo Defense.gov Aug. 2, 2021 | 01:14:58 Adm. Mike Gilday, chief of naval operations; Gen. David Berger, commandant of the Marine Corps; and Adm. Karl Schultz, commandant of the Coast Guard, participate in a panel discussion on the opportunities and challenges faced while operating on land, sea, and air at the Sea-Air-Space Global Maritime Exposition, Washington.