The International Space Station: Reveling at 15

CIO: (Slideshow) NASA and the world cosmos community this month celebrate the International Space Station’s 15th consecutive year of humans living in its celestial lab. In those 15 years, 45 crewed expeditions -- more than 220 people from 17 countries -- have visited the station, constructed over more than 115 space flights conducted on five different types of launch vehicles. The station now measures 357 feet end-to-end and provides more livable room than a conventional six-bedroom house, NASA says. Here we take a look at life onboard and what the ISS has meant to space exploration.

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