FOUR-STAR PROMOTION U.S. Marine Corps Gen. James N. Mattis, front left, commander of U.S. Central Command, and U.S. Army Gen. David H. Petraeus, outgoing commander of the International Security Assistance Force, pin U.S. Marine Corps Gen. John R. Allen at his promotion ceremony at ISAF headquarters in Kabul, Afghanistan, July 18, 2011, as U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, looks on. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 337886-K-QES86-245.jpg Photo Gallery