September 14 - USAFThunderbirds #6 solo crashes into the tarmac at Mountain Home AFB, Idaho, while attempting its initial maneuver at the Gunfighter Skies 2003 air show. The pilot safely ejected just moments before impact. Pilot error (insufficient altitude) is determined as the cause and the pilot is reassigned to the Pentagon. Although the desert terrain is similar, the ground elevation at Mountain Home AFB is over 1000 feet higher than the Thunderbirds' home base at Nellis AFB.
Skip Holm, flying the modified P-51D 'Dago Red', sets a new closed-course piston-engine speed record of 507 mph at the Reno Air Races.
December 17, on the anniversary of the Wright Flyer's achievement, SpaceShipOne is the first privately built, manned aircraft to fly faster than the speed of sound,