Why NASA unexpectedly halted a major moon rocket test

via https://ift.tt/wlg3OkA "It has been one of the more interesting 48 hours."

First, thunderstorms delayed the dress rehearsal for NASA's megarocket over the weekend, the final crucial step before launching it to the moon.

Then, lightning "struck twice" for the simulation test — figuratively speaking.

Mission operators said they needed to stop mid-rehearsal on Sunday to sort out a problem in the … Why NASA unexpectedly halted a major moon rocket test