The Air Force Academy today accepted delivery of four T-19A Kestrel aircraft, accelerating the service's push to develop an aerobatic pilot curriculum and enhance active-duty training. “From inception to delivery, these aircraft reflect the speed and innovation that strengthens the Department of the Air Force,” service Secretary Troy Meink said in a statement. “As the Kestrel program matures at USAFA, cadets will eventually take on a greater rol…