SpaceX has tested the crew escape system on the ground, demonstrating the ability to abort on the pad from a booster that is about to explode. The next abort test will be an actual launch (using the launch vehicle they recovered about a week ago, which was it's 3rd) and abort during ascent.
"In the vast library of socialist books, there’s not a single volume on how to create wealth, only how to take and “redistribute” it.” - David Horowitz
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