CEREMONY ESCORT Homeland Security Secretary Janet Napolitano, Defense Secretary Robert M. Gates and Coast Guard Adm. Thad W. Allen are escorted to the U.S. Coast Guard Change of Command Ceremony on Fort Lesley J. McNair in Washington, D.C., May 25, 2010. Coast Guard Adm. Robert J. Papp Jr. relieved Allen as commandant of the U.S. Coast Guard in a ceremony presided over by Napolitano. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 425783-J-ZTF74-409.jpg Photo Gallery