NASA @NASA
@N7AKhan An engine bleed is part of our regular pre-launch operations to prepare the engines. Teams prefer to not put super cold fuel in warm engines, so we run liquid nitrogen through them first to chill them down. — PolitiTweet.org
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Mon Aug 29 13:10:49 +0000 2022
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Likely AvailableNASA @NASA
@N7AKhan An engine bleed is part of our regular pre-launch operations to prepare the engines. Teams prefer to not put super cold fuel in warm engines, so we run liquid nitrogen through them first to chill them down. — PolitiTweet.org