Artemis IV - ESM4 arrival to the IOZ

The transport carrier containing the European Service Module for NASA’s Artemis IV mission arrives at the Neil A. Armstrong Operations and Checkout Building at NASA’s Kennedy Space Center in Florida on Saturday, Dec. 20, 2025. The European Service Module, which is assembled by Airbus in Bremen, Germany, from parts made in 10 European countries and the United States, acts as the driving force behind Orion for deep space exploration, providing essential propulsion, thermal control, and electrical power.