这与SLS Block 2的性能相当。我曾支持SLS的开发，因为NASA需要重型运载火箭将人类送上月球和火星。当时，在我看来，私营部门的重型运载火箭在二十 ...

"Ideally, NASA should be able to buy heavy lift services to send payloads to the Moon—up to about 45 metric tons to 'trans-lunar injection' which is about the same performance as the SLS Block 2 ...

Following this recommendation, Congress included $350 million in the Consolidated Appropriations Act of 2018 to construct ML-2 for SLS Block 1B. The OIG has numerous recommendations aimed at ...