C3M25 Heavy Combat Drone wood and a very powerful gun

and a very powerful gun line:

Clever use of white or reversible camouflage clothing and snow hoods helped to keep out the cold and hide the troops in featureless terrain

To keep such a life afloat the Boromite facilities and resources must be portable and liveable

Buildings like this became more and more common from the 1700's onwards

One of the most common heavy weapons throughout Antarean space is the unibore artillery type magnetic launcher – or X-howitzer

C3M25 Heavy Combat Drone wood and a very powerful gunThe M25 series provides the basis for the ultimate fighting machines available to the armed forces of the Concord Combined Command or C3. These are extremely heavily armed and armoured drones used to spearhead major offensives or assault massive defences. M25 drones are also used in static defence and to eliminate enemy drones from long ranges. M25 heavy combat drones are unsurpassed in terms of armament and ability to withstand retaliatory fire.