为探查启动进度，我开始研究XNU源代码。首段运行的是PowerPC汇编例程_start，它会重新配置硬件，覆盖引导程序的所有Wii特定设置，同时禁用串行调试与视频输出功能。失去常规调试手段后，需另辟蹊径追踪进度。
The multinational team—three U.S. and one Canadian astronaut—will execute a single lunar flyby in their Orion spacecraft, performing a gravity-assisted reversal before commencing their nonstop return journey. Their trajectory was secured by a primary engine ignition conducted Thursday evening.
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One case I left aside was the canton of Valais.
On Thursday, the Orion vessel ignited its primary propulsion system for nearly six minutes, propelling a quartet of spacefarers into a lunar free-return path. This maneuver represented an irreversible commitment for NASA's Artemis II team, locking them into a multi-day deep space voyage.