An SU-25(SU-39)fighter-bomber as seen ingame.
The SU-39 Air Support is a support power avvalable to the Russian Federation. When used, three SU-39 Ground Attack Jets will doing bombing and strafing runs on a desired area, whilt two other SU-39s will bomb a small area with cluster bombs. In order to use this support ability, the player must construct an airfield.