*second-hand.

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"Flight-proven" is the new "certified pre-owned".
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Why do you have to say "flight-proven" do you launch rockets that aren't flight-proven?
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Flight proven, in this case, means they are reusing a previously launched rocket, as opposed to launching an entirely new one as most other companies have to do.
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Oh, thanks!
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Yup -- most flight configurations of "standardized" boosters and upper stages have to be customized either via fuel loading/valving changes (longer/shorter duration flights based on payload mass, etc.), and as thus are flown as a "configuration", rather than being flight proven.
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Going to the

on a SpaceX 
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Where's the rocket moon? Never heard of it.
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They're "re-expendable".
Thanks. Twitter will use this to make your timeline better. UndoUndo
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I think you left something floating in the ocean.pic.twitter.com/hLFumhx55p
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It’s a couple hundred miles east of Florida. Not the Indian Ocean. :)
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It’s floating! :) This is floating somewhat near the Marianas Trench; the deepest body of water on the planet. It’s a hollow metal hull, so it will float like a boat as long as it’s undamaged. The salt water will corrode the engines, though. :(
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Marianas Trench is in the pacific not the atlantic
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You’re right — it splashed north of Puerto Rico Trench. Good catch!
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