AIR DIVISION TOUR U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, thanks a Chinese People's Liberation Army Air Force airman after a tour of a Sukhoi Su-27 Fighter at the 19th Air Division in Shandong, China, July 12, 2011. Mullen is on a three-day trip to the country to meet with counterparts and Chinese leaders. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 941373-S-SRA70-478.jpg Photo Gallery