USS George H.W. Bush (CVN-77) is the tenth and final Nimitz-class supercarrier of the United States Navy. She is named for the 41st President of the United States and former Director of Central Intelligence George H. W. Bush, who was a naval aviator during World War II. The vessel callsign is Avenger, after the TBM Avenger aircraft flown by then-Lieutenant George H. W. Bush in World War II. Construction began in 2003 at Northrop Grumman, in Newport News, Virginia and was completed in 2009 at a cost of $6.2 billion. Her home port is Naval Station Norfolk, Virginia.