Underwater spacewalks recreate the 'moon' in a giant NASA pool (photos)
NASA's Neutral Buoyancy Laboratory has trained spacewalking astronauts in a pool for 30 years. Now a part of the facility is changing to address a forecast demand for moon missions.
TroibNews 
NASA's Neutral Buoyancy Laboratory has trained spacewalking astronauts in a pool for 30 years. Now a part of the facility is changing to address a forecast demand for moon missions.
