At space agency headquarters, doctors studied his medical condition as the information was being sent back to Earth.
VOA: special.2009.06.24
"This is a huge step forward for Nasa's exploration goals, " said Doug Cooke, an associate administrator at the space agency's headquarters in Washington DC.
Speaking at the US spaceagency (Nasa) headquarters in Washington, Mr Bush said astronauts had recently been going no further from the Earth than 621 kilometres (386 miles).