Every killed enemy in Warhammer 40K Rogue Trader can be looted to obtain their weapons and armor. Throughout the various worlds will also be containers that hold various "goods" items, all of which can be stored on the Voidship as Cargo.
Warhammer 40K: Rogue Trader - What To Do With Cargo
As players explore the galaxy, they will come across all sorts of loot that can be stored as cargo on their Voidship; here's what to do with it.