PRINCE'S ARRIVAL U.S. Defense Secretary Robert M. Gates, right, escorts Bahrain's Crown Prince Shaikh Salman bin Hamid Al-Khalifa through a cordon of honor guards and into the Pentagon, May 20, 2010. Shaikh Salman, who is the commander-in-chief of the defense forces of Bahrain, will meet with Gates to discuss several security issues of mutual interest to both nations. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 664826-E-BDR11-629.jpg Photo Gallery