NASA joins Artemis III Orion modules

NASA said on Aug. 5 that technicians had joined the Artemis III Orion crew module and European-built service module at Kennedy Space Center, marking a new integration milestone for the agency’s next crewed Artemis flight. The mating took place on July 30 inside the Neil A. Armstrong Operations and Checkout Building in Florida, according to a NASA mission update. The agency said the work comes as teams also continue assembling Space Launch System rocket hardware for Artemis III at Kennedy. Artemis III is now planned as a 2027 crewed demonstration mission in low Earth orbit rather than a lunar landing mission. ### What exactly did NASA join at Kennedy? NASA said the two pieces joined on July 30 were Orion’s crew module and its service module, the main spacecraft elements that will fly together on Artemis III. The crew module is the pressurized capsule where astronauts ride, while the service module provides power and propulsion during the mission, NASA said. (nasa.gov) The Aug. 5 NASA update said the joined spacecraft will eventually carry NASA astronauts Randy Bresnik, Andre Douglas and Frank Rubio, along with European Space Agency astronaut Luca Parmitano. NASA said engineers completed hardware installations and testing on the separate elements before connecting them inside the Operations and Checkout Building. (nasa.gov) ### Why is this module mating a milestone? NASA said the joining is the point where separately processed Orion hardware becomes a single integrated spacecraft. In its mission page, the agency describes Artemis III as a four-person crewed demonstration flight designed to test systems needed for future lunar landings beginning with Artemis IV. (nasa.gov) NASA said the service module on Artemis III will support tests of rendezvous and docking capabilities with test articles of commercial human landing systems from Blue Origin and SpaceX. That reflects the agency’s current plan to use Artemis III to demonstrate critical systems in low Earth orbit rather than attempt a crewed lunar landing on this flight. (nasa.gov) ### How far along is the rocket work? At Kennedy, NASA said Exploration Ground Systems teams have completed inspections and checkouts on solid rocket booster motor segments for Artemis III. The agency said teams began stacking the twin booster segments inside the Vehicle Assembly Building in early July, starting with the left-hand aft assembly. (nasa.gov) On July 21, NASA said the final RS-25 engine for Artemis III arrived from Stennis Space Center near Bay St. Louis, Mississippi. Technicians are due to integrate that engine with the core stage this summer, according to the Aug. 5 update. ### How does this fit with earlier Artemis III assembly work? (nasa.gov) On April 28, NASA moved the Artemis III SLS core stage inside Kennedy’s Vehicle Assembly Building after its arrival in Florida, according to an earlier mission update. NASA said that step marked the first time core stage assembly operations for an Artemis vehicle were taking place at Kennedy. (nasa.gov) That April update also said booster motor segments had begun arriving at Kennedy from Northrop Grumman’s Utah facilities for inspection and preparation. NASA described the 212-foot core stage as housing more than 733,000 gallons of super-chilled propellant for four RS-25 engines. (spacecoastdaily.com) ### What happens next for the spacecraft? NASA said the next step for Orion is the first power-up of the combined spacecraft. After those power-on tests, teams will continue integrated testing and complete final hardware installations, the agency said. NASA’s Artemis III mission page lists the launch year as 2027 and says the flight will launch four crew members aboard Orion from Kennedy Space Center on an SLS rocket. (spacecoastdaily.com) The same page says the mission will carry out low Earth orbit objectives intended to demonstrate systems for later lunar landing missions starting with Artemis IV. (nasa.gov 1) (nasa.gov 2)