RT @CaptMarkKelly: Hey @ElonMusk, when you finally get the nerve to climb into a rocket ship, come talk to the three of us.
Retweeted by Greg McVerry; original attribution is retained below.
RT @CaptMarkKelly: Hey @ElonMusk, when you finally get the nerve to climb into a rocket ship, come talk to the three of us.
By Greg McVerry · Permalink · Original tweet
