The post discusses the experiences of debugging remote software running on spacecraft at JPL during the Remote Agent project (1994-1999). It highlights the importance of a read-eval-print loop in troubleshooting issues with programs executing on hardware located 100 million miles away. The anecdotes shared emphasize the unique challenges and problem-solving techniques employed in aerospace software development. Additionally, it mentions alternative minimal Lisp implementations and programming paradigms like Forth, suggesting their advantages for similar applications.