美载人绕月飞行任务因火箭故障再次推迟

Core Viewpoint - The Artemis 2 manned lunar mission by NASA has been delayed due to new issues with the rocket, making a March launch window impossible [1] Group 1: Mission Details - The Artemis 2 mission is planned to last approximately 10 days, utilizing NASA's new Space Launch System rocket and Orion spacecraft to send four astronauts into lunar orbit [1] - The mission was initially set to launch in March after completing a second integrated test on February 19 [1] Group 2: Technical Issues - During the integrated test, a helium flow interruption occurred in the rocket's "interim cryogenic propulsion stage," necessitating a return to the assembly building for repairs [1] - This follows a previous issue during the first integrated test on February 2, where a liquid hydrogen leak at the core stage's propellant interface halted the countdown, leading to the abandonment of the February launch window [1] Group 3: Future Plans - Following the completion of the Artemis 2 mission, NASA plans to advance to the Artemis 3 manned lunar landing mission [1]