The United States has a seemingly ridiculous number of trainers. While much attention is given to fighter jets and bombers, they can only work if the Air Force gets the foundations right and a big part of that is training. One of the mainstays of United States Air Force trainers is the legacy Northrop T-38 Talon, which this is set to start being replaced by the all-new T-7A Red Hawk. But what are the main differences between these two jet trainers?