Just another (relatively small) update:
reduced the size of the small poles by half, since they were huge (bigger than a player lol), and added quite some detail to the front view of the base, which is pretty much ready, with just some minor details missing.
Next I will work mostly on the center (where the flags will be), and back of the base, which as you can see in the 2nd screenshot, has almost nothing but a huge bland wall.
Having that said, this map will not be really suitable for servers upon release, given that it's a high poly map and the base area is huge, making the BSP rendering a bit unstable (not necessarily HOMs or anything, but bigger polys may disappear on certain angles), so it's mostly to be taken as a proof of concept rather than a real map, although it will be fully playable and pathed nonetheless, of course.
The entire map is at 15k polys (over 1k in view at certain spots) and almost 25MB in size, as well as at 34k nodes at the moment (the engine limit is 64k, so I still have a bit of margin).