…The 150th anniversary of the U.S. Army Signal Corps…

The U.S. Army Signal Corps was formed on June 21, 1860. The first federal weather service in the U.S. was formed as part of the Army Signal Corps in 1870 and later became the U.S. Weather Bureau (1891) and, eventually, the National Weather Service (1970).

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…The 150th anniversary of the U.S. Army Signal Corps…