美载人绕月飞行任务完成综合演练 拟3月发射

Group 1 - NASA announced the completion of the second integrated rehearsal for the Artemis 2 crewed lunar flyby mission on February 19, with a planned launch in March [1] - During the rehearsal at Kennedy Space Center, over 700,000 gallons (approximately 2.65 million liters) of liquid propellant were loaded into the Space Launch System rocket, and ground teams practiced closing the Orion spacecraft hatch [1] - The Artemis 2 mission will involve four astronauts flying aboard the Orion spacecraft for a lunar flyby, with the earliest launch window set for March 6 [1][2] Group 2 - The Artemis program was announced by the U.S. in 2019, with Artemis 1 successfully completing an uncrewed lunar flyby test mission in November 2022 [2] - Following the Artemis 2 mission, NASA plans to advance to the Artemis 3 crewed lunar landing mission [2]