Hopes to kick off a “working week” with as many as four U.S. launches in four days came to nothing as a gloomy Monday morning on the Space Coast scuppered SpaceX’s earnest efforts to get a previously-flown Falcon 9 booster off the ground from historic Pad 39A at the Kennedy Space Center (KSC). The Hawthorne, Calif.-headquartered launch provider planned to fly a pair of Falcon 9s—the veteran B1058, making its third flight in four months, and the sparkling-new B1062—within 36 hours of one another, setting a new SpaceX record for the shortest interval between missions on the East Coast. Sadly, it was not to be.