Overview#

United States Naval Observatory (USNO) is one of the oldest scientific agencies in the United States, with a primary mission to produce Positioning, Navigation and Timing (PNT) for the United States Navy and the United States Department of Defense.

More Information#

There might be more information for this subject on one of the following:

• Time And Epochs
• USNO

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• [#1] - United_States_Naval_Observatory - based on information obtained 2018-06-03-