"<a href=""https://www.youtube.com/watch?v=RJAYZgOZS08&amp;t=2m56s"">2:56</a> Point of order", there were actually thousands and thousands of aircraft that were used for training and would have had no business being on the front lines. One of the more famous was the T-6 Texan. In general, they have much simpler designs without the cutting edge engines or other characteristics of combat ready aircraft.,(reply>), So it probably wasn’t a one-to-one equivalence, but a matter of resource allocation, particularly fuel and people.