What did Apollo 13 want to achieve on the mission?

Apollo 13 aimed to land on the Moon, specifically in the Fra Mauro highlands, as part of NASA's continued exploration efforts following the success of previous lunar missions. The crew planned to conduct scientific experiments, gather lunar samples, and further test technologies for future missions. However, after an oxygen tank explosion en route, the mission shifted focus to safely returning the astronauts to Earth, showcasing remarkable problem-solving and teamwork.