You can't destroy scenery objects !... They have to be Simobjects. I have provided a mission for this purpose (see above in this thread).

But !!! Recently I have discovered a really excellent program that you really have to try with CS Weapons !!!... I use it a lot with CS Weapons in Free Flight and FSX Missions (without any kind of F-18). In one word : I'm impressed by this !...

Google for FSX F18MT and just read the "Read me" to get an idea for what it can do !... In few words : Creates missions with SimObjects in Free Flight. Try it and just tell !...