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Mission Specialist Soichi Noguchi from Discovery traverses along the Destiny laboratory of the International Space Station. Shuttle astronauts took spacewalks to install a platforms and repair instruments on the space station.
Flight Engineer John L. Phillips works in the lab while conducting an experiment on his own body. He's wearing a pair of cycling tights outfitted with sensors that measure joints, muscle activity and foot force. Scientists hope to solve the mystery of bone and muscle loss during space flight and also better understand osteoporosis on Earth.
The space station replentishes its supplies from craft like Progress 18 which was launched from Russia to deliver two tons of supplies, food, water, fuel and equipment to the Expedition 11 crew members aboard the station. Discovery brought fresh supplies when it arrived.