Delta IV Second Stage

Delva IV Second Stage Angkasa-X.jpeg

The Delta IV Upper Stage (Delta IV second stage, or SLS second stage for Block I) is a family of cryogenic rocket stages used on the  Delta IV rockets, and on the SLS Core Stage . The Delta IV upper stage is most likely meant to be used on the Delta IV and the SLS. It has payload room similar to that of the Saturn V third stage, so you can put landers and cargo on top and conceal it with the fairings easier. You can only connect it to medium and large stages with the Delta IV Connector, the Eagle 8 connector or the SLS adapters.

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