Download textures from supporting items. Thanks For getting my rocket model.I worked hard on it.You may find problem in loading the textures in maya what you need to do is to go into the Hypershade > Textures and reload the Textures. The uvs are best mapped in Maya.I have used maya 2018 to make this model.The Cinema 4d file does not have uvs mapped so you might need to map The texture Onto the model. Have Fun!!!!