Alright, not to litter the naval topic I've decided to start this one.
Some backstory:
To address some points made by Pushwall so far:
So def logic relies on HP rather than target armor type? Since I could've sworn flame towers preferred my full HP cap to red health ranger nearby. Hm, that might be a problem indeed. Unless wreck is made with slightly more HP than the base unit to make defences switch. After all, I think kill script for it should be able to deduct any amount of