Aerostructures Market Size, Share & COVID-19 Impact Analysis, By Component (Wings, Nose, Fuselage, Nacelle and Pylon, Empennage), By Material (Alloys, Composite, and Metals), By Platform (Fixed-wing Aircraft (Commercial Aircraft, Military Aircraft, Business Jets) and Rotary Wing Aircraft (Commercial & Civil Helicopters, Military Helicopters, and UAVs), By End-Use (Aftermarket and OEM), and Regional Forecasts, 2020-2027