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About this satellite image
This declassified satellite image of Groom Lake (Area 51), USA was captured on 17 June 1971 by a KH-9 HEXAGON spy satellite, during mission 1201.
Each pixel covers about 90 centimeters on the ground.
The original scene is held by the USGS EarthExplorer archive (entity ID D3C1201-100017A041).
Learn more about the HEXAGON programme on the Satellite Programs page.
