You're an bobs military which your rank are "Private 2", and at the afternoon, you got a mission to attacking flames country, but you can't pass it from the sky. cause it's contain to many troops from flames country which patroling in afternoon, so you should pass through inside of hazardous cave, and prepare your mentality. cause you will met so many rock, and you should drive your plane with carefully. once you hit the rock. your airship will be destruct, and every area, you have different time. if the time has been up. you will fail in this mission. so prepare your mentality right now. and leave the cave to get high rank in bobs military. ^^.