Default fields for now. I'm having an issue with custom fields not having a briefing room for missions. You sit in the tower during the briefing time, then go out to your plane. As people get more experience building missions, the briefing will start having a more important role. I don't want to take that away from people just to have custom fields you're only at for a minute anyway.
Instead I'll throw in this:
Ack bases placed at strategic places to throw up flak for immersion purposes. I'll mark on the clipboard map where the flak fields are, so you can plan your missions through them or around them(sissies).
Has a radar control station surrounded by a ring of 88mm tater lobbers:
I won't overdo it, but I feel it was needed for immersion purposes.