Has anyone experienced problems moving helicopters. I get it intermittently in different games, many times now . e.g. if you select gunships or attack helicopters on their own. you can't ferry, attack or patrol with them. they are basically useless. the choose target comes up, but the selected target doesn't register screen is unresponsive, but it works fine with all other units except helicopters. First time I had it it was only from certain airstrips and airbases. In my current game, all helic…