AFGHANISTAN ARRIVAL Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, arrives at Bagram Air Base in Afghanistan, July 30, 2011. Mullen is on a five-day tour in Afghanistan and Iraq with USO celebrities, including comedian Jon Stewart, NBA Legend Karl Malone and magician David Blane. SHARE IMAGE: Download Image: Full Size (0.06 MB) Photo By: VIRIN: 295128-R-NAW39-636.jpg Photo Gallery