This successful docking of the Tiangong-1 was merely the first step toward habitation: the Shenzhou 9 crew have boarded the module and will be living on board for thirteen days.

FORBES: China's First Manned Docking of Space Module Is a Success...and a First Step

Alpha will consist of a complex of connected spacecraft: a Sundancer and a BA330 for customer use, a second Sundancer that will house Bigelow crew to maintain the station and a module that provides a power bus and docking node.

FORBES: Magazine Article

The two space station crews, along with the four Discovery astronauts, continued unloading supplies from the Italian-built Leonardo cargo module, a shiny giant cylinder that the shuttle crew attached to the space station on Monday.

CNN: New space station chief settles in

The two space station crews, along with the four Discovery astronauts, have finished unloading supplies from the Italian-built Leonardo cargo module, a shiny giant cylinder that the shuttle crew attached to the space station on Monday.

CNN: Space station handover ceremony delayed

Each lease is all-inclusive, covering a set number of flights for astronauts to and from the module per year, the assistance and support of an onboard Bigelow crew, station maintenance, living supplies, communications and astronaut-training programs.

FORBES: Magazine Article

"This is the time when we have to say goodbye to our friends, our colleagues, the excellent crew of shuttle Atlantis that did an excellent job performing three EVAs, installing the new Russian module, having good fun, enjoying living on the station and working in space, " the ISS Expedition 23 commander Oleg Kotov told Ken Ham, who leads the Atlantis crew.

BBC: Atlantis set for 'final' return

Science editor Alan Boyle's blog: NASA and the European Space Agency have signed an agreement calling for the Europeans to provide the service module for the Orion space capsule, the U.S. space agency's crew vehicle for exploration beyond Earth orbit.

MSN: Mars rover survives 'brain transplant' with flying colors

But the Tranquility Module also is going to serve as a gym, as a hygiene area, as a place a crew can maintain themselves for a long duration.

WHITEHOUSE: President Obama's call to the International Space Station