Once again, the scheduled launch of the SpaceX Falcon 1 vehicle
was scrubbed Friday, after an as-yet unidentified problem cropped
up during a pre-launch countdown test on Kwajalein Atoll that
included a brief firing of the rocket's engine.
NASA is preparing to launch an oxygen generation system to the
International Space Station. The system uses water to generate
breathable oxygen for crew members. Life support systems like this
are necessary to support future long-duration missions to the moon,
Mars and beyond.