Summary: <p>Episode: <a href="http://www.uh.edu/engines/epi2029.htm">2029</a> The last great biplane fighter — the Polikarpov beyond its prime</p><p> </p>
Summary: <p>Episode: <a href="http://www.uh.edu/engines/epi2029.htm">2029</a> The last great biplane fighter — the Polikarpov beyond its prime</p><p> </p>