Go Mil
You appear in the unique position to choose. If you dont choose mil, then you will miss out on the unique chance to paricipate in a challenging environment, the likes of which you wont see in the civilian world.
If you are happy to be judged on your abilities by the rest of your crew and can accept the constructive critiscm offered then go for it. If you you feel you cant live with the banter of your last bad landing, then go civ!