People might doubt whether such a spacevacation is possible, but one company, Galactic Suite Limited, says that amysterious billionaire, a space lover, has given 3 billion US dollars tofinance this project. The wealthy British businessman, Sir Richard Branson, hasa space tour company called Virgin Galactic. He plans to take advantage of Spaceport America to offer a commercial space tourism service. Question: Galactic Suite Limited and Virgin Galactic have expressed an interest in commercial space tourism.