I see the Hornet in the demo flying "above" and "below" some of the asteroids, implying that the asteroids are not all in the same 2-D plane
As my brother said before I do, we are "old school". Meaning that GamePlay is priority one for us. We like the idea of flying under or above asteroids - mines but it, by any means, must not complicate the gameplay.
The debates between family continue, for the time being.