The recently-rechristened Environmental Sciences Service Administration (previously the U.S. Weather Bureau) launches, with the help of NASA, weather satellite ESSA-2, intended to be the second in a constellation of spaceborne observers of Earth’s weather. Virtually identical to ESSA-1, ESSA-2 monitors Earth’s cloud cover for over four years; it is decommissioned in 1970, not because it stops working, but because a newer satellite utilizes the same telemetry frequency.
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