WELCOMING MOMENT U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, visits Riyadh, Saudi Arabia, Feb. 17, 2010. Mullen is touring the region, visiting with key partners and allies. SHARE IMAGE: Download Image: Full Size (0.05 MB) Photo By: VIRIN: 080766-O-XBP61-222.jpg Photo Gallery