TOUR MOMENT U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, and his wife, Deborah, visit with members of the USO Holiday tour in Manama, Bahrain, Dec. 18, 2010. The Mullens are traveling with the USO holiday tour while also meeting with foreign dignataries and U.S. troops. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 853482-U-BAR23-212.jpg Photo Gallery