Semper Fi Marine and welcome! Retired EA-6B guy here and very new to DCS. I’ve flown X-Plane and P3D for years and I can assure you, you’re in for a challenge, but an amazing one for sure. I don’t think I could go back to the mundane life of flying an A320 or ERJ-145!
As far as I’ve seen, DCS will take any controller you throw at it, mapping it is a whole lesson in itself, but there are some great videos and guides out there to help and of course this forum.