In the late 1940s, the US Army requested a lightweight monoplane that could fly at low altitudes for short-field operations. But during the Korean and Vietnam wars, the Cessna O-1 Bird Dog would take ...
A Military Minute in History is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung ...
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