I noticed that if there are mines in range of ship,probably altilery too,you can see them. I think it shouldnt work like that. I even think that if standard unit is next to mines,it shouldnt see it. There should be specific unit,saper,that will be able to see mines if next to them and have 100% bonus aganist them,so he will destroy then with one hit. Planes are shouldnt be able to see them and Im sure then shouldnt be killed by mine!
If its passible,plese change this thinks.