U.S. Naval Observatory

The U.S. Naval Observatory (USNO) is a scientific institution that primarily provides precise timekeeping and astronomical data for navigation and research. Located in Washington, D.C., it plays a vital role in maintaining the standard time for the United States, which is crucial for various applications, including GPS and communications. The USNO also conducts astronomical observations and research, contributing to our understanding of celestial phenomena. By tracking the positions of stars and planets, it helps in navigation and advances in science, making it an important resource for both the military and civilian sectors.