MOJAVE - One down, one to go. Following its successful spaceflight Wednesday morning, SpaceShipOne will attempt the second flight required to win the $10 million Ansari , on Monday, Oct. 4, barring any unforeseen problems or weather difficulties. The Burt Rutan-designed spacecraft rocketed to an official, but not final, altitude of 337,500 feet, well over the 328,000 feet required by the competition rules. The Ansari X-Prize, an international competition to jump-start the commercial space-travel industry, will award $10 million to the first privately funded team to successfully build and launch a spacecraft capable of carrying three people to 100 kilometers...