The History Channel or the Military Channel or History International (one of those Discovery Channels anyway) recently had a show about the Lancaster and B-17. They had grandchildren of former crew members going through a training process giving them the chance to actually fly one of the planes as their grandfather had done. They practiced bombing an English farm house with sacks of flour. If I remember correctly, they said that the Lancaster shown was the only one that was still in flying condition. There are some static displays, but only one that can get it up so to speak. England is it's home, as well as three flyable B-17's. Another program about the last remaining flyable B-17's, said that as of the program date, only 12 were still in flyable condition world-wide. If my memory is correct, that will mean a lot of computer graphics.