“The crew also received a special message that Apollo 8 and Apollo 13 astronaut Jim Lovell recorded for the mission before his passing in 2025.

‘Hello, Artemis II! This is Apollo astronaut Jim Lovell. Welcome to my old neighborhood!‘”

https://www.nasa.gov/blogs/missions/2026/04/06/artemis-ii-flight-day-6-crew-ready-for-lunar-flyby/