MULLEN RESPONSE Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, responds to questions during testimony with Defense Secretary Robert M. Gates, center, and Under Secretary of Defense Comptroller Robert Hale before the Senate Armed Services Committee in Washington, D.C., Feb. 2, 2010. SHARE IMAGE: Download Image: Full Size (0.05 MB) Photo By: VIRIN: 674396-Z-ZGD82-261.jpg Photo Gallery