diff --git a/BehavioralPatternsDiagrams/BehavioralPatternsDiagrams.modelproj b/BehavioralPatternsDiagrams/BehavioralPatternsDiagrams.modelproj
index edb7a6c..b9a15f6 100644
--- a/BehavioralPatternsDiagrams/BehavioralPatternsDiagrams.modelproj
+++ b/BehavioralPatternsDiagrams/BehavioralPatternsDiagrams.modelproj
@@ -22,6 +22,16 @@
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+ Mediator\AirTrafficControl.classdiagram
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diff --git a/BehavioralPatternsDiagrams/Mediator/AirTrafficControl.classdiagram b/BehavioralPatternsDiagrams/Mediator/AirTrafficControl.classdiagram
new file mode 100644
index 0000000..4242a7c
--- /dev/null
+++ b/BehavioralPatternsDiagrams/Mediator/AirTrafficControl.classdiagram
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\ No newline at end of file
diff --git a/BehavioralPatternsDiagrams/Mediator/AirTrafficControl.classdiagram.layout b/BehavioralPatternsDiagrams/Mediator/AirTrafficControl.classdiagram.layout
new file mode 100644
index 0000000..3f9d5de
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+++ b/BehavioralPatternsDiagrams/Mediator/AirTrafficControl.classdiagram.layout
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\ No newline at end of file
diff --git a/BehavioralPatternsDiagrams/Mediator/AirTraficControllerClassDiagram.PNG b/BehavioralPatternsDiagrams/Mediator/AirTraficControllerClassDiagram.PNG
new file mode 100644
index 0000000..02925d2
Binary files /dev/null and b/BehavioralPatternsDiagrams/Mediator/AirTraficControllerClassDiagram.PNG differ
diff --git a/BehavioralPatternsDiagrams/ModelDefinition/BehavioralPatternsDiagrams.uml b/BehavioralPatternsDiagrams/ModelDefinition/BehavioralPatternsDiagrams.uml
index 706f75e..02c36ec 100644
--- a/BehavioralPatternsDiagrams/ModelDefinition/BehavioralPatternsDiagrams.uml
+++ b/BehavioralPatternsDiagrams/ModelDefinition/BehavioralPatternsDiagrams.uml
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