Very neat idea but the builder should have used the ERA bricks Off the old ESCI M60! When I did my Merkava ADA I chose the Gepard because the York was cancelled. I do however, plan on mating the M247 turret to a M1A1 hull to show the York as it should have been! You can't expect to take the tracking system out of an F-16 Falcon and mount it onto a Vietnam era hull and expect it to work properly. I was under the impression that the major issues were not being able to engage anything over it's rear deck (heat) and that the sytem still could not differentiate between house, trees, and targets. In the air, these issues were not a problem. One or more threat aircraft and sky!!