NASA eyes August launch after concluding tests of SLS Moon rocket

NASA has put a patchy few months behind it to formally conclude the testing marketing campaign for its Space Launch System (SLS) and start preparations for its maiden flight later this year. All going to plan, that unmanned Artemis 1 mission will validate the rocket and Orion spacecraft for operation in deep space, and set the stage for the company’s return to the Moon later this decade.

The SLS is essentially the most highly effective rocket ever constructed and, together with the Orion capsule, will function the workhorse for NASA’s Artemis program. Following greater than a decade of improvement and testing, the whole rocket and spacecraft have been rolled out to the launch pad for the primary time in March, with engineers then starting preparation for what’s often called a moist dress rehearsal.

This concerned pumping greater than 700,000 gallons (3.2 million liters) of cryogenic propellants into the tanks and operating by way of a observe run of a complete countdown. This consists of the whole lot from climate briefings, deliberate pre-launch holds and propellant removing and replenishment.

Things did not go precisely to plan, nonetheless, with the staff experiencing setbacks stemming from leaks and defective valves, which set this system again considerably. It was initially scheduled for a May launch, however solely now, having analyzed the info from the latest moist dress rehearsal on Monday June 20, is the staff glad the SLS meets all necessities for launch.

The integrated SLS rocket and Orion spacecraft en route to the launchpad

The built-in SLS rocket and Orion spacecraft en path to the launchpad


“During the wet dress rehearsal activities, we have incrementally added to our knowledge about how the rocket and the ground systems work together, and our teams have become proficient in launch procedures across multiple sites,” stated Tom Whitmeyer, deputy affiliate administrator for widespread exploration techniques at NASA Headquarters. “We have completed the rehearsal phase, and everything we’ve learned will help improve our ability to lift off during the target launch window. The team is now ready to take the next step and prepare for launch.”

The team did detect another leak issue on June 20, but were able to sidestep the issue with a reprogrammed launch sequence that, together with previous rehearsals, ticked the necessary boxes for an actual launch. Engineers will now replace a seal to address this leak and then set a specific launch date, with SLS and Orion expected to return to the pad in late August.

Source: NASA

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