Technicians with European Service Module processing teams from the European Space Agency, Airbus, and Airbus Netherlands assist with securing a protective cover as a crane prepares to lift the panel during installation of one of four solar array wings inside the Neil Armstrong Operations and Checkout Building high bay at NASAs Kennedy Space Center in Florida on Sept. 23, 2020. The Orion spacecraft for Artemis I is shown in the background. The solar arrays were extended, inspected, and then retracted, before installation on the spacecraft. Each solar array panel will generate 11 kilowatts of power and span about 63 feet. The array is a component of Orions service module, which is provided by the European Space Agency and built by Airbus Defence and Space to supply Orions power, propulsion, air and water. The first in a series of increasingly complex missions, Artemis I will test the Orion spacecraft and Space Launch System as an integrated system ahead of crewed flights to the Moon.