So the trick to killing the airships i figured out after getting killed many, many times is to fire your rockets in a spiral towards them, or at least not in a straight line. it doesn't matter where the laser is at first, just that it is on target when the rocket gets there. So after you fire move your laser around, when the airship is trying to shoot down a rocket its not shooting at you.

also it helps to be near the box full of rockets you see me run back to in the video several times, although there isn't much good cover near it so try to run to it when the airships are turning around for another pass.

thanks for watching! you can view this in 3d with an oculus rift or google cardboard etc etc, just have it display on your vr in full screen.

If you have access to an oculus rift i recommend you try out this game it is amazing and really, really intense. Most games in the rift while cool still don't give me a fully immersive feeling. Hl2's story progression/game mechanics are so real in the rift i have to actually take a minute or two after im finished to re orient myself back to the real world.
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https://www.youtube.com/watch?v=m3nhlK8MkRA