Everything you saw in the video presentation or screenshots is in the scene, it's a great first that gave us a huge job. But in two to three clicks, you now have a thousand items. Your only concern will be to position exactly as shown.
Unfortunately Dunkirk is not textured on the map of DCS, it is necessary to find beaches with a height difference of 0 to 3 meters, and there are some.
But we put a typical mission,named (DUNKERQUE 000) you can launch it directly from 'Missions'. before editing. In any case, it's very simple, if you're a little used to the mission editor.
Tip: Add an enemy ship 18km from the Bismark-like coast and watch the show with your 'Spitfire', it will be very immersive.
Despite the importance of Dunkerque, you will not suffer any slowdown.
Only the central ship can be destroyed everything else is a beautiful 3D scenery.
There is a read-me for the installation.
Video : https://youtu.be/Ai7a2srDZRw