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United States Naval Observatory: what's nearby, how to get there and when to go · 2026

The United States Naval Observatory (USNO) is a scientific and military facility that produces geopositioning, navigation and timekeeping data for the United States Navy and the United States Department of Defense.

United States Naval Observatory · CC BY-SA 4.0

Map of places
United States Naval Observatory in pictures4 photos
Template:US Naval Observatory · pdm · Dec 1, 1882
MBisanz · cc-by-sa-3.0 · Nov 16, 2009
National Photo Company · pdm · Jan 24, 1925

Getting there and staying

2 sources · As of November 4, 2026
Source: TravelHub · OurAirports (public domain)