there is three versions of the ship in this zip, two for a2..a high and a low poly version and an a1 version the following install-instructions are for a2, the instructions for a1 are similiar, but you need to own odf
1.Copy any .SOD files into the SOD directory. 2.Copy any .tga files into the TexturesRGB directory. 3.Copy any .tt files into the techtree directory. 4.Copy any .sps files