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Episode 34 (11/12/2019): A maritime achievement 150 years in the making

 Nov. 12, 2019

It’s not often that you get to celebrate a sesquicentennial, but that’s just what the National Geospatial-Intelligence Agency did this fall at its Springfield, Virginia, campus. For 150 years, the Notice to Mariners has kept navigators and shipmasters informed with the most current navigational information.

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