diff --git a/front-controller/etc/front-controller.png b/front-controller/etc/front-controller.png
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diff --git a/front-controller/etc/front-controller.ucls b/front-controller/etc/front-controller.ucls
new file mode 100644
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+++ b/front-controller/etc/front-controller.ucls
@@ -0,0 +1,135 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<class-diagram version="1.1.8" icons="true" automaticImage="PNG" always-add-relationships="false" generalizations="true" 
+  realizations="true" associations="true" dependencies="false" nesting-relationships="true">  
+  <class id="1" language="java" name="com.iluwatar.ArcherCommand" project="front-controller" 
+    file="/front-controller/src/main/java/com/iluwatar/ArcherCommand.java" binary="false" corner="BOTTOM_RIGHT">    
+    <position height="-1" width="-1" x="748" y="378"/>    
+    <display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" 
+      sort-features="false" accessors="true" visibility="true">      
+      <attributes public="true" package="true" protected="true" private="true" static="true"/>      
+      <operations public="true" package="true" protected="true" private="true" static="true"/>    
+    </display>  
+  </class>  
+  <class id="2" language="java" name="com.iluwatar.CatapultView" project="front-controller" 
+    file="/front-controller/src/main/java/com/iluwatar/CatapultView.java" binary="false" corner="BOTTOM_RIGHT">    
+    <position height="-1" width="-1" x="545" y="201"/>    
+    <display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" 
+      sort-features="false" accessors="true" visibility="true">      
+      <attributes public="true" package="true" protected="true" private="true" static="true"/>      
+      <operations public="true" package="true" protected="true" private="true" static="true"/>    
+    </display>  
+  </class>  
+  <class id="3" language="java" name="com.iluwatar.ArcherView" project="front-controller" 
+    file="/front-controller/src/main/java/com/iluwatar/ArcherView.java" binary="false" corner="BOTTOM_RIGHT">    
+    <position height="-1" width="-1" x="748" y="201"/>    
+    <display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" 
+      sort-features="false" accessors="true" visibility="true">      
+      <attributes public="true" package="true" protected="true" private="true" static="true"/>      
+      <operations public="true" package="true" protected="true" private="true" static="true"/>    
+    </display>  
+  </class>  
+  <class id="4" language="java" name="com.iluwatar.UnknownCommand" project="front-controller" 
+    file="/front-controller/src/main/java/com/iluwatar/UnknownCommand.java" binary="false" corner="BOTTOM_RIGHT">    
+    <position height="-1" width="-1" x="365" y="378"/>    
+    <display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" 
+      sort-features="false" accessors="true" visibility="true">      
+      <attributes public="true" package="true" protected="true" private="true" static="true"/>      
+      <operations public="true" package="true" protected="true" private="true" static="true"/>    
+    </display>  
+  </class>  
+  <class id="5" language="java" name="com.iluwatar.CatapultCommand" project="front-controller" 
+    file="/front-controller/src/main/java/com/iluwatar/CatapultCommand.java" binary="false" corner="BOTTOM_RIGHT">    
+    <position height="-1" width="-1" x="544" y="378"/>    
+    <display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" 
+      sort-features="false" accessors="true" visibility="true">      
+      <attributes public="true" package="true" protected="true" private="true" static="true"/>      
+      <operations public="true" package="true" protected="true" private="true" static="true"/>    
+    </display>  
+  </class>  
+  <interface id="6" language="java" name="com.iluwatar.Command" project="front-controller" 
+    file="/front-controller/src/main/java/com/iluwatar/Command.java" binary="false" corner="BOTTOM_RIGHT">    
+    <position height="-1" width="-1" x="545" y="551"/>    
+    <display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" 
+      sort-features="false" accessors="true" visibility="true">      
+      <attributes public="true" package="true" protected="true" private="true" static="true"/>      
+      <operations public="true" package="true" protected="true" private="true" static="true"/>    
+    </display>  
+  </interface>  
+  <class id="7" language="java" name="com.iluwatar.FrontController" project="front-controller" 
+    file="/front-controller/src/main/java/com/iluwatar/FrontController.java" binary="false" corner="BOTTOM_RIGHT">    
+    <position height="-1" width="-1" x="137" y="378"/>    
+    <display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" 
+      sort-features="false" accessors="true" visibility="true">      
+      <attributes public="true" package="true" protected="true" private="true" static="true"/>      
+      <operations public="true" package="true" protected="true" private="true" static="true"/>    
+    </display>  
+  </class>  
+  <interface id="8" language="java" name="com.iluwatar.View" project="front-controller" 
+    file="/front-controller/src/main/java/com/iluwatar/View.java" binary="false" corner="BOTTOM_RIGHT">    
+    <position height="-1" width="-1" x="545" y="66"/>    
+    <display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" 
+      sort-features="false" accessors="true" visibility="true">      
+      <attributes public="true" package="true" protected="true" private="true" static="true"/>      
+      <operations public="true" package="true" protected="true" private="true" static="true"/>    
+    </display>  
+  </interface>  
+  <class id="9" language="java" name="com.iluwatar.ErrorView" project="front-controller" 
+    file="/front-controller/src/main/java/com/iluwatar/ErrorView.java" binary="false" corner="BOTTOM_RIGHT">    
+    <position height="-1" width="-1" x="365" y="201"/>    
+    <display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" 
+      sort-features="false" accessors="true" visibility="true">      
+      <attributes public="true" package="true" protected="true" private="true" static="true"/>      
+      <operations public="true" package="true" protected="true" private="true" static="true"/>    
+    </display>  
+  </class>  
+  <dependency id="10">    
+    <end type="SOURCE" refId="1"/>    
+    <end type="TARGET" refId="3"/>  
+  </dependency>  
+  <realization id="11">    
+    <end type="SOURCE" refId="4"/>    
+    <end type="TARGET" refId="6"/>  
+  </realization>  
+  <realization id="12">    
+    <end type="SOURCE" refId="1"/>    
+    <end type="TARGET" refId="6"/>  
+  </realization>  
+  <realization id="13">    
+    <end type="SOURCE" refId="3"/>    
+    <end type="TARGET" refId="8"/>  
+  </realization>  
+  <dependency id="14">    
+    <end type="SOURCE" refId="7"/>    
+    <end type="TARGET" refId="4"/>  
+  </dependency>  
+  <realization id="15">    
+    <end type="SOURCE" refId="5"/>    
+    <end type="TARGET" refId="6"/>  
+  </realization>  
+  <dependency id="16">    
+    <end type="SOURCE" refId="5"/>    
+    <end type="TARGET" refId="2"/>  
+  </dependency>  
+  <dependency id="17">    
+    <end type="SOURCE" refId="4"/>    
+    <end type="TARGET" refId="9"/>  
+  </dependency>  
+  <realization id="18">    
+    <end type="SOURCE" refId="9"/>    
+    <end type="TARGET" refId="8"/>  
+  </realization>  
+  <dependency id="19">    
+    <end type="SOURCE" refId="7"/>    
+    <end type="TARGET" refId="6"/>  
+  </dependency>  
+  <realization id="20">    
+    <end type="SOURCE" refId="2"/>    
+    <end type="TARGET" refId="8"/>  
+  </realization>  
+  <classifier-display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" 
+    sort-features="false" accessors="true" visibility="true">    
+    <attributes public="true" package="true" protected="true" private="true" static="true"/>    
+    <operations public="true" package="true" protected="true" private="true" static="true"/>  
+  </classifier-display>  
+  <association-display labels="true" multiplicity="true"/>
+</class-diagram>
\ No newline at end of file