Please define conservative. Also, pro-military.
thedonald.win has a couple posts about software development:
https://thedonald.win/p/4AjIzHU/im-a-coder--there-are-many-o...
https://thedonald.win/p/46BjSob/want-me-to-build-a-mobile-ap...
Other than that, mostly they endure soylentnews.org and news.ycombinator.com as best as possible.
In real life, they tend to have families that suck up lots of time. If you want to meet them in real life, work for a defense contractor. They might also be found working for relatively industrial companies all across the middle of the USA.
Follow twitterers, look at their bios, some will point to social spaces: telegram, discord, fb page.
I suspect if there is such a place, they would not divulge its location on Hacker News.
What do you mean by pro-military? Pro-conflict, pro-weapons technology?
Why? Echo chambers are the best way to stop your education.
Probably Voat, Gab and 8Chan.
email me: freehelicopterrides@email.tg
Interesting article from about 5 years ago —
https://amp.theatlantic.com/amp/article/390048/