ARMED SERVICES HEARING U.S. Navy Admiral Michael Mullen and U.S. Marine Corps Gen. James Cartwright answer questions from the Senate Armed Services Committee, July 31, 2007. The committee is considering Adm. Mullen to be Chairman of the Joint Chiefs of Staff and Gen. Cartwright to be Vice Chairman of the Joint Chiefs of Staff. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 505785-P-CVL86-132.jpg Photo Gallery