2500 Annual Plan – $990/year
time.sleep(2 ** attempt) # 指数退避
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In September 2025, she launched a business offering support to others in Guernsey because of her experience.
Artemis 2 works toward April launchThe revised campaign comes as engineers work through immediate issues on Artemis II, the first crewed flight of the program. After a successful "wet dress rehearsal" — a full countdown test that loads the rocket with super‑cold fuel — teams discovered that helium was not flowing correctly to the engines in the rocket's upper stage.