Photo of the Day: Tuesday March 30 2010

In a rare photo op taken February 22, the 12-story 100 ton Discovery hangs inside the gigantic Vehicle Assembly Building (the world's fourth-largest building) as it is lifted to be attached to the booster rockets for STS-131.

100 ton Discovery2.jpg
In a rare photo op taken February 22, the 12-story 100 ton Discovery hangs inside the gigantic Vehicle Assembly Building (the world's fourth-largest building) as it is lifted to be attached to the booster rockets for STS-131.Ben Cooper
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