Every ship should be able to carry at least a little cargo even if it is just for the ships personal supplies. Of course this is take up the majority of space in a freighter. A typical tramp freighter will have between 5 and 20 cargo units while some of the mega-freighters will have hundreds.<br /><br /><b>1 Cargo unit</b>: Cost: N/A (it's just empty space after all and will be accounted for in the cost of the hull),<br />Mass: 0, volume 150 cu m.<br /><br /><br />