GUEST BOOK U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, signs a guest book after addressing students at the National Defense College in New Delhi, India, July 23, 2010. India is the second stop on a 10-day trip around the world to meet with counterparts and leaders. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 044636-Y-JAP02-670.jpg Photo Gallery