Defense Secretary Ash Carter visits with Navy Adm. Jonathan W. Greenert, chief of Naval Operations, during a reception before the change-of-command ceremonies for U.S. Pacific Command and U.S. Pacific Fleet in Honolulu May 27, 2015. Defense Secretary Ash Carter visits with Navy Adm. Jonathan W. Greenert, chief of Naval Operations, during a reception before the change-of-command ceremonies for U.S. Pacific Command and U.S. Pacific Fleet in Honolulu May 27, 2015. SHARE: Download: Full Size (0.47 MB) Tags: Photo Essays Credit: VIRIN: 191912-B-KHJ21-822.jpg Photo Gallery