They cannot be permitted to take the lead in this fight. Chief Engineer Copperclaw has supplied me with the perfect weapon to deal with this threat -- he calls his new missile the SGM-3. I have his assurances that it will take out the Alliance flying machines in a single hit. Go and use this weapon to give us the upper hand.
Good. Fewer Alliance pests to stand in our way. We'll show them what true warriors look like.
The fighters fly over the Valley of Fallen Heroes, northwest of Ymirheim, west of Aldur'thar, east of the rampart. This is a simple point and shoot quest, and they do not attack. The does not need to be equipped to be fired.
As the fighters fly quickly enough to be hard to target, the following macro is useful in completing the quest:
#show SGM-3 /target skybreaker /use SGM-3