美航天局：推进系统异常，美载人绕月任务大概率将推迟

Core Viewpoint - NASA's Artemis 2 crewed lunar mission is likely to be delayed due to a helium flow interruption in the temporary low-temperature propulsion stage, as confirmed by NASA Administrator Jared Isaacman [1] Group 1: Mission Details - The Artemis 2 mission was originally scheduled for launch on March 6 [1] - This mission has faced multiple delays prior to this announcement [1] Group 2: Technical Issues - NASA's technical team is currently investigating the cause of the helium flow interruption [1] - The rocket designated for the Artemis 2 mission will be retracted to the Vehicle Assembly Building at Kennedy Space Center for further inspection [1]