Adm. Clark responds to a reporter's question during a Pentagon briefing. Chief of Naval Operations Adm. Vernon Clark responds to a reporter's question during a Pentagon briefing on Sept. 13, 2001, concerning naval personnel listed missing from the Sept. 11th terrorist attack on the Pentagon. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 999758-Y-JIT04-634.jpg Photo Gallery