art001e002196 (Dec. 6, 2022) On flight day 21 of NASA’s Artemis I mission, Orion’s optical navigation camera looked back at the Moon as the spacecraft continued its journey home. Orion uses the optical navigation camera to capture imagery of the Earth and the Moon at different phases and distances, providing an enhanced body of data to certify its effectiveness under different lighting conditions as a way to help orient the spacecraft on future missions with crew.