This Day in Aviation History
February 20th, 1940
First flight of the Yakovlev Yak-4.
 
The Yakovlev Yak-4 (Service names Yak-4, BB-22bis (Blizhnij Bombardirivschik, “short-range bomber”)) was a Soviet light bomber used during World War II. It was developed from the Ya-22/Yak-2….
 
Source:
Wikipedia, Yakovlev Yak-4: http://gstv.us/1SFzysO
 
For further reading, please check out this article from Aviastar: http://gstv.us/1SFzV6o
 
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Photo from: http://gstv.us/1oSe27N
 
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