<P> The President regularly flies in helicopters (call sign Marine One) operated by the U.S. Marine Corps . </P> <P> In November 1999, President Bill Clinton flew from Ankara, Turkey, to Cengiz Topel Naval Air Station outside Izmit, Turkey, aboard a marked C - 20C (Gulfstream III) using the call sign "Air Force One", escorted by three F - 16s . </P> <P> On 8 March 2000, President Clinton flew to Pakistan aboard an unmarked Gulfstream III while another aircraft with the call sign "Air Force One" flew on the same route a few minutes later . This diversion was reported by several U.S. press outlets . </P> <P> On 1 May 2003, President George W. Bush flew in the co-pilot seat of a Sea Control Squadron Thirty - Five (VS - 35) S - 3B Viking from Naval Air Station North Island, California to the aircraft carrier USS Abraham Lincoln off the California coast, where Bush delivered his "Mission Accomplished" speech . During the flight, the aircraft used the call sign of "Navy One" for the first time . This aircraft is now on display at the National Naval Aviation Museum at Naval Air Station Pensacola, Florida . </P>

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