Global Military 3D Printing Market Size study, by Offering (Printer, Material, Software, Service), Process (Binder Jetting, Direct Energy Deposition, Material Extrusion, Material Jetting Powder Bed Fusion, Vat Photopolymerization, Sheet Lamination), Application(Functional Part Manufacturing, Tooling, Prototyping), Platform( Airborne, Land, Naval, Space) and Regional Forecasts 2020-2027