Ever since he was a child, Jonny Kim, a highly decorated Navy SEAL and a graduate of Harvard Medical School, said he had always wanted to go to the moon. Kim, 39, was among the 18 people NASA chose to take part in the training for its Artemis program, which has plans to put the first woman and possibly first person of color on the lunar surface in 2024. Kim, who served as a combat medic for the Navy SEAL, could become the first Korean American to land on the moon. “I wanted to go to space since I was...