Navy One
Navy One is the call sign of any United States Navy aircraft carrying the President of the United States.
There has only been one aircraft designated as Navy One: a Lockheed S-3 Viking, BuNo 159387, assigned to the "Blue Wolves" of VS-35, which transported President George W. Bush to the aircraft carrier USS Abraham Lincoln off the coast of San Diego, California on 1 May 2003. The pilot was Commander John "Skip" Lussier, then VS-35's executive officer; and the flight officer was Lieutenant Ryan Phillips. The S-3 utilized for the flight was retired from service and placed on display at the National Naval Aviation Museum in Pensacola, Florida on 17 July 2003.
A Navy aircraft carrying the Vice President would be designated Navy Two.