These are fields used by the Huntsville Aera Rocketry Association (HARA). Once you turn on to County Road 5, The first field (“Jackson 5”) is the first entrance on the left. If they are instead flying at the other field (“Butler Mill”), continue south on County Road 5 until you reach the intersection with Butler Mill Road. Take a left and drive until you pass a cemetary. The field entrance will be the next left.