CAPE CANAVERAL, Fla. — The six astronauts on Discovery's final flight are making space shuttle history. One never expected to be on board.
Astronaut Stephen Bowen was added to the crew just last month, replacing lead spacewalker Timothy Kopra, who was hurt in a bicycle wreck. There's never been a shuttle crew shake-up so close to flight.
Kopra helped train Bowen for a pair of spacewalks at the International Space Station.
"We're all disappointed that he's not going to be here," said commander Steven Lindsey. But if it wasn't for Kopra's assistance, "we couldn't have pulled this off in four weeks of training."
Discovery's all-veteran crew includes two former space station residents.