跟进：ULA火神火箭升空约10分钟后出现异常，40颗Amazon Leo卫星未能入轨

联合发射联盟（ULA）11月15日确认，当天中午从佛罗里达州 Cape Canaveral 太空军基地升空的火神（Vulcan）火箭在飞行约10分钟后出现异常，未能把所载的40颗 Amazon Leo 宽带卫星送入轨道。这次任务编号 LV-01，是火神火箭停飞九个月后的复飞首飞，ULA 在异常发生后不久即发布了任务更新。

ULA 在更新中说，异常刚刚发生，公司尚无具体数据可以说明今天发生了什么，每次飞行都会产生数据、也能让人学到东西。ULA 说，公司存在的意义是为国家和依赖它的客户提供有保障的进入太空通道，也正因为承担的是航天飞行中最难的一些任务，公司以任务成功为标准要求自己，而「今天，我们没有达到这一标准」。

ULA 表示，将与客户及其他相关机构密切合作，查明异常原因、确定适当的纠正措施，并尽快恢复飞行；公司承诺对客户保持完全透明，客户可以全程了解采用严格方法开展的调查与纠正过程，有新信息时将再作通报。本稿发稿时，ULA 尚未公布异常发生在哪一级火箭或哪个系统。

美国国家航空航天局 NASA 局长 Jared Isaacman 随后公开表态，感谢 ULA 迅速向公众与合作伙伴通报情况，并说 NASA 团队愿意在调查与修复的各个方面提供协助。他说，Artemis 计划、月球基地与国家都需要 ULA，NASA 会站在 ULA 一边、随时提供帮助。

这枚火神火箭于美东时间当天12时40分升空，采用 VC6L 构型，配六枚固体助推器，升空后1分45秒六枚助推器在约22英里高度全部抛离。这批卫星原定由 Centaur V 上面级在升空约70分钟后开始释放，整个部署过程约25分钟。火神火箭今年2月12日曾有一枚固体助推器喷管在升空后出现异常，此后停飞九个月，本周的发射又先后在11月13日与14日两度取消，改到周日才升空。Amazon 已向 ULA 订购38次火神发射，这次是其中第一次，卫星未能入轨对 Amazon Leo 星座的部署进度有何影响，Amazon 与 ULA 尚未公布。

关联：跟进：ULA火神火箭成功升空复飞，载40颗Amazon Leo卫星，六枚助推器顺利抛离

（来源：联合发射联盟）

资料引用：Florida Today

Follow-up: ULA Vulcan Suffers Anomaly About 10 Minutes Into Flight, 40 Amazon Leo Satellites Fail to Reach Orbit

United Launch Alliance (ULA) confirmed on November 15 that its Vulcan rocket, which lifted off at midday from Cape Canaveral Space Force Station in Florida, suffered an anomaly about 10 minutes into flight and failed to place its payload of 40 Amazon Leo broadband satellites into orbit. The mission, designated LV-01, was Vulcan's return-to-flight mission after a nine-month grounding, and ULA issued a mission update shortly after the anomaly occurred.

In the update, ULA said the anomaly had just occurred and it did not yet have specific data to explain what happened, adding that every flight generates data and teaches something. ULA said it exists to provide assured access to space for the nation and for the customers who depend on it, that it takes on some of the hardest missions in spaceflight, and that it holds itself to a standard of mission success. 'Today, we did not meet that standard,' the company said.

ULA said it will work closely with its customer and other appropriate organizations to find the cause, determine the appropriate corrective action, and return to flight as quickly as possible. The company committed to full transparency with its customers, who will have visibility into an investigation process that uses rigorous methodology and corrective action, and said it will provide further updates when new information becomes available. As of publication, ULA had not said which stage or system the anomaly involved.

NASA Administrator Jared Isaacman then said publicly that he appreciated ULA quickly keeping the public and its partners informed, and that the NASA team is available to assist in all matters related to the investigation and remediation effort. He said Artemis, the Moon Base, and the nation need ULA, and that NASA is in ULA's corner and here to help.

The Vulcan lifted off at 12:40 p.m. Eastern in its VC6L configuration with six solid rocket boosters, all six of which were jettisoned at an altitude of about 22 miles one minute and 45 seconds into flight. The satellites had been scheduled to begin deploying from the Centaur V upper stage about 70 minutes after liftoff, over a sequence lasting about 25 minutes. Vulcan had been grounded for nine months after a solid rocket booster nozzle anomaly shortly after liftoff on February 12, and this week's launch attempts were scrubbed on November 13 and 14 before lifting off on Sunday. Amazon has booked 38 Vulcan launches with ULA, of which this was the first; neither Amazon nor ULA has yet said what the failure to reach orbit means for the Amazon Leo deployment schedule.

Related: Follow-up: ULA Vulcan Lifts Off on Return-to-Flight Mission With 40 Amazon Leo Satellites, All Six Boosters Away Cleanly

(Source: United Launch Alliance)

Reference: Florida Today

来源：联合发射联盟

发布：GSM·美国（发布链接）

图片来源：图：火神火箭升空实景（资料图，为该型火箭早前一次发射画面）。美国太空军照片，公共领域。 / Photo: A Vulcan rocket lifts off (file photo from an earlier launch of the same rocket type). U.S. Space Force photo, public domain.

GSM Global · 本篇英文版 English edition of this story

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