It is around 260 metres long, 79 wide, and around 64 high,
surprisingly this took less than 10 hours to fully furnish, I made a Hell jumper game mode (helldivers practically) that allowed you to drop from drop pods and choose where to place supply drops.
There is a ‘knife’ at the bottom constructed to perfectly decapitate a CRS no matter where it cuts. The lore reason was that after the war, there was an increase in the CRS class, leading to this.