PAKISTAN GREETING U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, greets Vice Adm. Michael A. LeFever, commander, Office of the Defense Representative to Pakistan, in Islamabad, April 20, 2011. Mullen is visiting the Central Command area of operation to support a USO tour to the region and visit counterparts and service members in the area. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 479078-E-PKA69-476.jpg Photo Gallery