This accuracy, too, came after two notable firsts for ULA and the ICPS, which is itself derived from the Delta Cryogenic Second Stage used on the Delta IV rocket line. These two firsts included a ...

The wait will continue to see the powerful Delta IV Heavy rocket blast off on its retirement flight. With minutes to go until ...

A single RL10C-2-1 engine on the Delta cryogenic second stage then took over, propelling the NROL-70 payload into space. Due to national security concerns, coverage of the launch ceased following ...

That mission carried the spacecraft to orbit where the Delta Cryogenic Second Stage was then used to raise the apogee of the orbit high enough to permit Orion to reenter at lunar velocities to ...

Further, this engine will be integrated into the Cryogenic Upper Stage of the launch vehicle for the LVM3-M6 mission, which is scheduled during the second half of 2025, the statement read.