Tito was followed in April 2002 by South African Mark Shuttleworth (Soyuz TM-34). The third was Gregory Olsen in October 2005 (Soyuz TMA-7). In February 2003, the Space Shuttle Columbia disintegrated on re-entry into the Earth's atmosphere, killing all seven astronauts aboard. After this disaster, space tourism on the Russian Soyuz program was temporarily put on hold, because Soyuz vehicles became the only available transport to the ISS. After the Shuttle return to service in July 2005, space tourism was resumed. In September 2006, an Iranian American businesswoman named Anousheh Ansari became the fourth space tourist (Soyuz TMA-9).) In April 2007, Charles Simonyi, an American businessman of Hungarian descent, joined their ranks (Soyuz TMA-10). Simonyi became the first repeat space tourist, paying again to fly on Soyuz TMA-14 in March 2009. British-American Richard Garriott became the next space tourist in October 2008 aboard Soyuz TMA-13. As of 2020, Canadian Guy Laliberté is the most recent tourist to visit the ISS, flying in September 2009 aboard Soyuz TMA-16. Originally the third member aboard Soyuz TMA-18M should have been the British singer Sarah Brightman as a space tourist, but on May 13, 2015, she announced she had withdrawn from training.