Linear 6 mission campaign about fictional war between NATO and Russian federation put you into role of Russian SU-25T pilot.
Difficulty is easy-medium.
Extract zip file into C:\Users\*yourname*\Saved Games\DCS\Missions\Campaigns\en directory
The war began six months ago. Ukrainian units with NATO support occupied the east of Ukraine, the Crimea and proceed further east into Russian territory. Georgia has tried to attack us from the south, but after two months it has withdrawn. Turkey...