U.S. Pilot Training Market Size, Share & COVID-19 Impact Analysis, By Aircraft Type (Airplane, Helicopter, and Others), By License & Certification (Student Pilot License, Commercial Pilot License, Private Pilot License, Airline Transport Pilot License, Flight Instructor, Sport Pilot License, Glider Pilot License, Instrument Rating, Remote Pilots, and Airmen Medical Certification (Class I, Class II, and Class III), By Training Mode (Flight Training, Simulator Training, Ground Training, and Recurrent Training), and Country Forecast, 2023-2030