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 108: Underwater Training for Astronauts
NASA Neutral Buoyancy Laboratory Critical Systems Engineer Jim Sarafin discusses training astronauts for spacewalks.