sentences:  Flying almost all models P-51 Mustang which could be sent to Lakeland for training, the group's training regiment centered on learning cruise control techniques that would produce maximum range from the Mustangs.It also included practice scrambles, assembly and landing procedures, escort formations, aerial gunnery and bombing practice, and an occasional dogfight.A month after the 506th started flying, the USAAF produced document 50–100, which was the training directive for Very Long Range operations.