diff --git a/AirBomber/AirBomber/FormAirBomber.cs b/AirBomber/AirBomber/FormAirBomber.cs
index a50d1cf..fa19f00 100644
--- a/AirBomber/AirBomber/FormAirBomber.cs
+++ b/AirBomber/AirBomber/FormAirBomber.cs
@@ -1,4 +1,6 @@
-namespace AirBomber
+using System.Windows.Forms;
+
+namespace AirBomber
 {
     public partial class FormAirBomber : Form
     {
@@ -33,10 +35,19 @@
         {
             Random random = new();
             Color color = Color.FromArgb(random.Next(0, 256), random.Next(0, 256), random.Next(0, 256));
-            //TODO выбор основного цвета
+            ColorDialog colorDialog = new ColorDialog();
+            //TODO выбор основного цвета DONE
+            if (colorDialog.ShowDialog() == DialogResult.OK)
+            {
+                color = colorDialog.Color;
+            }
 
             Color dopColor = Color.FromArgb(random.Next(0, 256), random.Next(0, 256), random.Next(0, 256));
-            //TODO выбор дополнительного цвета
+            //TODO выбор дополнительного цвета DONE
+            if (colorDialog.ShowDialog() == DialogResult.OK)
+            {
+                dopColor = colorDialog.Color;
+            }
 
             _drawningAirPlane = new DrawningAirBomber(random.Next(100, 300), random.Next(1000, 3000), color, dopColor,
             Convert.ToBoolean(random.Next(0, 2)), Convert.ToBoolean(random.Next(0, 2)), pictureBoxAirBomber.Width, pictureBoxAirBomber.Height);
diff --git a/AirBomber/AirBomber/PlanesGenericCollection.cs b/AirBomber/AirBomber/PlanesGenericCollection.cs
index 8958b73..5381999 100644
--- a/AirBomber/AirBomber/PlanesGenericCollection.cs
+++ b/AirBomber/AirBomber/PlanesGenericCollection.cs
@@ -52,7 +52,9 @@ namespace AirBomber
         public static int operator +(PlanesGenericCollection<T, U> collect, T? obj)
         {
             if (obj == null)
+            {
                 return -1;
+            }
             return collect?._collection.Insert(obj) ?? -1;
         }
 
@@ -62,14 +64,15 @@ namespace AirBomber
         /// <param name="collect"></param>
         /// <param name="pos"></param>
         /// <returns></returns>
-        public static T? operator -(PlanesGenericCollection<T, U> collect, int pos)
+        public static bool operator -(PlanesGenericCollection<T, U> collect, int pos)
         {
             T? obj = collect._collection.Get(pos);
             if (obj != null)
             {
                 collect._collection.Remove(pos);
+                return true;
             }
-            return obj;
+            return false;
         }
         /// <summary>
         /// Получение объекта IMoveableObject
diff --git a/AirBomber/AirBomber/SetGeneric.cs b/AirBomber/AirBomber/SetGeneric.cs
index 6732b9d..b1b0f54 100644
--- a/AirBomber/AirBomber/SetGeneric.cs
+++ b/AirBomber/AirBomber/SetGeneric.cs
@@ -88,7 +88,7 @@ namespace AirBomber
             {
                 return false;
             }
-            _places[position - 1] = null;
+            _places[position] = null;
             return true;
         }
         /// <summary>