Today spaceX landed a reusable rocket for the second time, but it was the first time one had been landed at sea.
They landed their Falcon9 booster on a barge in the Atlantic today. Quite an impressive feat of engineering.
What does this mean? Well for one it means much faster turn around times between missions, as well as the potential for space tourism farther down the road as this becomes more and more sound.
Interesting stuff I figured I'd share.
Added video for those Interested. [spoiler]thanks get owned.[/spoiler]
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That landing was absolutely astounding and it partially terrifies me