Members of the STS-107 crew take part in In-Flight Maintenance training for their mission. Looking over an OSTEO experiment are Mission Specialist Laurel Clark (left) and Commander Rick d. Husband. As a research mission, STS-107 will carry the SPACEHAB Double Module in its first research flight into space and a broad collection of experiments ranging from material science to life science. It is scheduled to launch July 19, 2001