Gifford's husband scheduled to meet twin in space

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While Congresswoman Gabrielle Giffords has been concentrating on beating back Kelly's challenge, her mind also has been in space.

Giffords' husband, Mark Kelly, is expected to be the commander of Endeavor, the final shuttle mission for NASA. The mission, which launches in February, will bring equipment to the International Space Station.

Upon arrival, he expects to see his twin brother, Scott, who is the commander of the station for the next six months.

It will be the first time nasa will have two siblings, let alone twins, in space at the same time.