The view from the new airlock is far different than exiting from the shuttle's cargo bay airlock, and it struck both astronauts immediately.

CNN: Astronauts complete final spacewalk

The heavy lifting was then left to space station resident astronaut Susan Helms who used the station's new robot arm to pluck the Quest from the shuttle's cargo bay.

CNN: Air lock installed on space station

Webster, 47, learned about the risks of betting on overcomplex space technology more than a decade ago, when he and two Harvard Business School classmates dreamed up the idea of launching commercial satellites with a rocket carried in the cargo bay of the space shuttle.

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