The National Astronomy and Ionosphere Center (NAIC) is a research facility located in Arecibo, Puerto Rico. It is best known for housing the iconic Arecibo Observatory, which was one of the largest radio telescopes in the world. NAIC conducts scientific studies in astronomy, atmospheric science, and ionospheric research, contributing valuable data to various fields. NAIC's primary focus is on understanding the Earth's atmosphere and the ionosphere, which is crucial for improving communication and navigation systems. The center collaborates with various institutions and researchers globally, promoting advancements in space science and enhancing our knowledge of the universe.