“It’s just illustrative that this is a very complicated machine, a very complicated system, and all those things have to work. “We don’t launch until it’s right,” NASA Administrator Bill Nelson said after today’s scrub. Problems with the fueling system cropped up during dress rehearsals that were conducted over the past few months. It’s not uncommon for such glitches to surface during preparations for the first launch of a rocket - and the Space Launch System is arguably the most complex and costliest rocket NASA and its commercial partners ( led by Boeing) have developed since the space shuttle program. NASA said that particular phenomenon wouldn’t be a show-stopper. Engineers eventually determined that the fissure, and the puffs of chilled air that emanated from the fissure, were similar to what had been observed during space shuttle countdowns. Another issue involved what appeared to be a fissure in the foam insulation covering the rocket. ![]() “However, we will await a determination of what the plan is to go forward to remedy the engine bleed, and then go from there,” said launch commentator Derrol Nail.ĭuring the early phases of the fueling process, the launch team had to resolve an issue involving a hydrogen leak. The next launch opportunity comes on Friday, when a two-hour window opens at 12:48 p.m. ![]() But in the end, mission managers decided to scrub the launch for today. Engineers tried various techniques to free up the plumbing snag, and NASA called an unplanned hold at T-minus-40 minutes to give them more time to come up with a fix.
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