Artemis rocket launch.jpg

Teams with NASA’s Exploration Ground Systems and contractor Jacobs integrate the Interim Cryogenic Propulsion Stage for NASA’s SLS rocket with the launch vehicle stage adapter atop the massive SLS core stage in the Vehicle Assembly Building at NASA’s Kennedy Space Center on July 5.

The Artemis I mission has reached another milestone inside the Vehicle Assembly Building at NASA’s Kennedy Space Center. On July 5, teams with Exploration Ground Systems and contractor Jacobs stacked the Interim Cryogenic Propulsion Stage, or ICPS, atop the Space Launch System rocket.

The ICPS’s RL 10 engine is housed inside the launch vehicle stage adapter, which will protect the engine during launch. The adapter connects the rocket’s core stage with the ICPS, which was built by Boeing and United Launch Alliance.

The ICPS will fire its RL 10 engine to send the Orion spacecraft toward the Moon. Its European-built service module will provide the power to take the spacecraft on a journey tens of thousands of miles beyond the Moon.

Before attaching the Orion spacecraft to the rocket, teams will conduct a series of tests to assure all the rocket components are properly communicating with each other, the ground systems equipment, and the Launch Control Center.

The ICPS moved to the Vehicle Assembly Building on June 19, after technicians in the center’s Multi-Payload Processing Facility completed servicing the flight hardware inside.

Launching in 2021, Artemis I will be an uncrewed flight test of the Orion spacecraft and SLS rocket as an integrated system ahead of missions with astronauts. Under Artemis, NASA aims to land the first woman and first person of color on the Moon and establish a long-lasting presence on and around the Moon while preparing for human missions to Mars.

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