The hard lessons of a more realistic RTS Wargame.
Wargame: AirLand Battle http://store.steampowered.com/app/222750
Offensive going well until tanks stall, run out of fuel and ammo for the main gun. Several get smoked, one panics and then back to the FOB they go to refuel and repair. Relaunch offensive this time using Forward Observers and scouting the road. Slowly smoke T-72's and win just the "tutorial"
The above link goes to the story and screenshots.