Posts Tagged With: Fearless

Airmail Arrows

Scattered across the United States are a network of mysterious concrete arrows. The purpose was important: helping early pilots navigate U.S. transcontinental flights at night. In a era before radar, pilots used ground-based landmarks for guidance. This solution worked for flight during the day, but grounded pilots at night. Before long, a system of beacons […]

Categories: Trips | Tags: , , ,

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