Explore This SectionScienceThe Solar SystemDelta II 3D ModelSolar System ResourcesCurated Resource PackagesSolar System Home Delta II 3D ModelApril 22, 2019 A 3D model of a Delta II rocket. Downloads glTF File (3D Model) Sep 9, 2023 (4.36 MB) USDZ File (3D Model) Sep 9, 2023 USDZ (862.70 KB)