On the last day of the Artemis II mission, our European Service Module and Orion's Crew Module separated. 🥹 They both entered Earth's atmosphere, our Service Module burnt up harmlessly, and the Crew Module splashed down safely in the Pacific Ocean off the coast of California. The European Service Module provided life support for the astronauts - air, water, and a comfortable temperature - as well as electricity with its four solar arrays and propulsion through space with its 33 engines. Built b