In Defense of Krom'gar Fortress

Objectives
Destroy 15 Gnomish Flying Machines or Bombers and 25 Gnome Wing Commanders.
 * Gnomish Flying Machine slain (15)
 * Gnome Wing Commander slain (25)

Description
There's no time left. Here they come! Take control of a heavy gun and shoot the gnomes out of the sky! If that bomb takes too many hits it will blow, taking us all with it!

Defend the base, ! You're our only hope!

If we somehow make it out of this in one piece, report to Overlord Krom'gar.

Reward
The following spell will be cast on you:

Krom'gar Legionnaire

You will also receive:

Progress
Our enemies surround us!

Completion
I have never seen such an act of bravery. You saved the base, sergeant - or should I say legionnaire! Lok'tar!