Is Mark Shuttleworth or Ivan Bella a Slovak Air Force officer?
Mark Shuttleworth Mark Richard Shuttleworth (born 18 September 1973) is a South African entrepreneur who is the founder and CEO of Canonical Ltd., the company behind the development of the Linux-based Ubuntu operating system. In 2002, he became the first citizen of an independent African country to travel to space as a space tourist. He currently lives on the Isle of Man and holds dual citizenship from South Africa and the United Kingdom.
Rex J. Walheim Rex Joseph Walheim (born October 10, 1962) is a United States Air Force officer, engineer and a NASA astronaut. He has flown three space shuttle missions, STS-110, STS-122, and STS-135. Rex has logged over 566 hours in space, including 36 hours and 23 minutes of spacewalk (EVA) time. He was assigned as mission specialist and flight engineer on STS-135, the final space shuttle mission.