Albert Melrose Calland III was a vice admiral in the United States Navy who was the deputy director for Strategic Operational Planning at the National Counterterrorism Center and commander of Naval Special Warfare Command from 2002 to 2004. He also previously served as Deputy Director of the Central Intelligence Agency from July 2005 to July 2006 and commanded the Naval Special Warfare Development Group from 1997 to 1999.

The Naval Special Warfare Development Group (NSWDG), abbreviated as DEVGRU [note A] and commonly known as SEAL Team Six, is the United States Navy component of the Joint Special Operations Command (JSOC). The unit is often referred to within JSOC as Task Force Blue. DEVGRU is administratively supported by Naval Special Warfare Command and operationally commanded by JSOC. Most information concerning DEVGRU is designated as classified, and details of its activities are not usually commented on by either the United States Department of Defense or the White House. Despite the official name changes, "SEAL Team Six" remains the unit's widely recognized moniker.