The Industrial Terrain from GrimDark Terrain is compatible with 6-8 mm Epic Sci-Fi games. It fits perfectly into your terrain. Whether Warhammer 40K or other sci-fi tabletop games, it simply fits many settings.Included are three cargo grabs with cargo containers for the Samson freighter.The individual cargo grabs can be attached with magnets, so you can swap them to remove or add cargo. You need a total of 6 round magnets with a diameter of 5mm and a thickness of 2mm.You can find the SamsonFreighter here:
Samson Freighter Empty
 Samson Freighter With Cargo
We have many other terrain models and also Greebles/Bitz on offer. Just have a look around.