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The rocket, called Space Launch System (SLS), is designed to eventually stand 365 feet (111 meters) tall. The system is a piece of NASA's larger Artemis program, a roughly $30 billion effort to put...

If all goes well with the "wet dress rehearsal," SLS could fly for the first time in late August. But officials caution that a second rehearsal might be needed at some point, potentially pushing...

In the 1960s, the crawler hauled the legendary Saturn V rocket to the launchpad at the Kennedy Space Center. Credit: NASA. To prepare for the SLS's grand rehearsal, and the looming Artemis 1 ...

Space Launch System SLS Block 1 with the Orion spacecraft on pad 39B ahead of the Artemis 1 wet dress rehearsal Function Super heavy-lift launch vehicle Manufacturer Aerojet Rocketdyne Northrop Grumman Boeing United Launch Alliance Country of origin United States Project cost US$23.011 billion (inflation adjusted, through 2021) Cost per launch Over US$2 billion excluding development (estimate ...

After making repairs to the rocket, the U.S. space agency, again, attempted a so-called "wet dress rehearsal" of its mammoth Space Launch System, or SLS, at the launchpad in Cape Canaveral, Florida.