16 May 2023 The U.S. Naval Observatory: Providing Precision Time and Location Data for the U.S. Department of Defense—and the Entire World The U.S. Naval Observatory (USNO), the historic origin of METOC, today performs some of the American Military’s most technical, far-reaching, and critically-important work. While not directly involved in meteorological and oceanographic observation and prediction, the USNO provides precise time and...