void CreateFleetButton_Click(object sender, RoutedEventArgs _e)
        {
            var service = new PlanetWarsServiceClient();
            var fleet   = new ObservableCollection <ShipTypeCount>();

            foreach (var item in Body.CelestialObjectShips.Select(s => new ShipTypeCount {
                Count = s.Count, ShipTypeID = s.ShipTypeID
            }))
            {
                fleet.Add(item);
            }
            service.CreateFleetCompleted += (s, e) => MessageBox.Show("Done");
            service.CreateFleetAsync(App.UserName, App.Password, Body.CelestialObjectID, fleet);
        }