SAUDI MINISTRY U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, departs the Saudi Ministry of Defense after a meeting with Prince Khalid bin Sultan, Saudi assistant minister of defense and aviation, in Riyadh, Saudi Arabia, Feb. 17, 2010. Mullen is touring the region, visiting with key partners and allies. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 756929-N-QRP25-609.jpg Photo Gallery