It says this:-

New 3D engine – Latest-gen graphics engine with DX10 and DX11 API support. Huge variety of photorealistic ground vehicles, buildings and other environmental elements recreate minute details of 1940s Europe.

and also this:-

Advanced physics – wind, lift, turbulences, rain, fog… Feel the air rush on your wings as you push your aircraft to the limits in epic dogfights. See your fuselage torn to pieces while every single enemy bullets ballistic and damages is calculated.