NASACast combines the content of all the NASACast subject area podcasts into a single omnibus podcast. Here you'll find the latest news and features on NASA's missions as well as the popular "This Week @NASA" newsreel.
http://www.nasa.gov/
Small Steps, Giant Leaps: Episode 47, ISS 20 – Space Station Complexity
International Space Station Flight Director Royce Renfrew discusses the complexity of the orbiting laboratory as NASA counts up to 20 years of continuous human presence in space.