Bombing Mission

[Drizzt DoUrden]

I have been trying to make a mission where if the player captures a building a timer starts. After the timer has expired a squadron of bombers comes on and bombs an area. There are no buildings on this point, but it where the player gets a MCV and the player will build. I want the attack to bomb random points maybe hitting a building. I don't want to use the script that attacks a building directly, the attack should be random as if the computer is thinking the player will be there.