NASA did not have any specific plans to land astronauts on the moons of Jupiter. However, it's important to note that space exploration plans and missions can change over time. NASA's primary focus in recent years has been on returning humans to the Moon through the Artemis program, with the goal of establishing a sustainable presence there by 2024.
While NASA has not announced any specific plans for Jupiter's moons, it has expressed interest in studying them further. In 2019, NASA announced the selection of the Europa Clipper mission, which aims to explore Jupiter's moon Europa. The mission will conduct detailed reconnaissance of Europa to investigate its potential habitability and gather data about its surface and subsurface environments.
It's worth mentioning that private space companies and other international space agencies may also have their own plans for exploring Jupiter's moons. Therefore, it's always a good idea to stay updated with the latest news and announcements from NASA and the broader space exploration community to see if any plans for landing astronauts on Jupiter's moons emerge in the future.