Lessons Learned by Topic
The Lessons Learned come from NASA's own website, http://llis.nasa.gov/, and provide users with issues/problems that scientists and engineers have come across and potential solutions to those problems. Lessons Learned that are related to module topics can be found in this list. Also, any Lesson Learned can be found on the module page it is associated with.
Feel free to rate the Lessons Learned based on how helpful and useful they are. Five-star Lessons Learned should be considered the most useful.