<Ul> <Li> Henry W. Hartsfield, Steven R. Nagel, Bonnie J. Dunbar, James F. Buchli, Guion S. Bluford--USA </Li> <Li> Reinhard Furrer, Ernst Messerschmid--West Germany </Li> <Li> Wubbo Ockels--Netherlands (European Space Agency) </Li> </Ul> <Li> Henry W. Hartsfield, Steven R. Nagel, Bonnie J. Dunbar, James F. Buchli, Guion S. Bluford--USA </Li> <Li> Reinhard Furrer, Ernst Messerschmid--West Germany </Li> <Li> Wubbo Ockels--Netherlands (European Space Agency) </Li>

How many times has the us been to space