diff --git a/dfall_ws/src/dfall_pkg/GUI_Qt/flyingAgentGUI/forms/controllertabs.ui b/dfall_ws/src/dfall_pkg/GUI_Qt/flyingAgentGUI/forms/controllertabs.ui
index 23d3def2e703a7bafc5f0abbda6cad4dc97e6cca..155dff174d9d08a6ec80698a61ec2938546c47be 100644
--- a/dfall_ws/src/dfall_pkg/GUI_Qt/flyingAgentGUI/forms/controllertabs.ui
+++ b/dfall_ws/src/dfall_pkg/GUI_Qt/flyingAgentGUI/forms/controllertabs.ui
@@ -28,7 +28,7 @@
    <item row="0" column="0">
     <widget class="QTabWidget" name="controller_tabs_widget">
      <property name="currentIndex">
-      <number>2</number>
+      <number>6</number>
      </property>
      <property name="movable">
       <bool>true</bool>
@@ -38,8 +38,104 @@
        <string>Default</string>
       </attribute>
       <layout class="QGridLayout" name="gridLayout_2">
+       <property name="leftMargin">
+        <number>3</number>
+       </property>
+       <property name="topMargin">
+        <number>3</number>
+       </property>
+       <property name="rightMargin">
+        <number>3</number>
+       </property>
+       <property name="bottomMargin">
+        <number>3</number>
+       </property>
+       <property name="spacing">
+        <number>5</number>
+       </property>
+       <item row="0" column="1">
+        <widget class="QScrollArea" name="scrollArea_default">
+         <property name="widgetResizable">
+          <bool>true</bool>
+         </property>
+         <widget class="DefaultControllerTab" name="default_controller_tab_widget">
+          <property name="geometry">
+           <rect>
+            <x>0</x>
+            <y>0</y>
+            <width>1638</width>
+            <height>595</height>
+           </rect>
+          </property>
+         </widget>
+        </widget>
+       </item>
        <item row="0" column="0">
-        <widget class="DefaultControllerTab" name="default_controller_tab_widget" native="true"/>
+        <widget class="QFrame" name="frame_isCurrentController_default">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="minimumSize">
+          <size>
+           <width>80</width>
+           <height>0</height>
+          </size>
+         </property>
+         <property name="maximumSize">
+          <size>
+           <width>80</width>
+           <height>16777215</height>
+          </size>
+         </property>
+         <property name="styleSheet">
+          <string notr="true">background-color:rgb(160,40,40);</string>
+         </property>
+         <property name="frameShape">
+          <enum>QFrame::StyledPanel</enum>
+         </property>
+         <property name="frameShadow">
+          <enum>QFrame::Raised</enum>
+         </property>
+         <layout class="QGridLayout" name="gridLayout_11">
+          <property name="leftMargin">
+           <number>0</number>
+          </property>
+          <property name="topMargin">
+           <number>0</number>
+          </property>
+          <property name="rightMargin">
+           <number>0</number>
+          </property>
+          <property name="bottomMargin">
+           <number>0</number>
+          </property>
+          <item row="0" column="0">
+           <widget class="QLabel" name="label_isCurrentController_default">
+            <property name="font">
+             <font>
+              <pointsize>16</pointsize>
+              <weight>75</weight>
+              <bold>true</bold>
+             </font>
+            </property>
+            <property name="text">
+             <string>O
+F
+F</string>
+            </property>
+            <property name="alignment">
+             <set>Qt::AlignHCenter|Qt::AlignTop</set>
+            </property>
+            <property name="wordWrap">
+             <bool>true</bool>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </widget>
        </item>
       </layout>
      </widget>
@@ -48,8 +144,104 @@
        <string>Student</string>
       </attribute>
       <layout class="QGridLayout" name="gridLayout_4">
+       <property name="leftMargin">
+        <number>3</number>
+       </property>
+       <property name="topMargin">
+        <number>3</number>
+       </property>
+       <property name="rightMargin">
+        <number>3</number>
+       </property>
+       <property name="bottomMargin">
+        <number>3</number>
+       </property>
+       <property name="spacing">
+        <number>5</number>
+       </property>
+       <item row="0" column="1">
+        <widget class="QScrollArea" name="scrollArea_student">
+         <property name="widgetResizable">
+          <bool>true</bool>
+         </property>
+         <widget class="StudentControllerTab" name="student_controller_tab_widget">
+          <property name="geometry">
+           <rect>
+            <x>0</x>
+            <y>0</y>
+            <width>1638</width>
+            <height>595</height>
+           </rect>
+          </property>
+         </widget>
+        </widget>
+       </item>
        <item row="0" column="0">
-        <widget class="StudentControllerTab" name="student_controller_tab_widget" native="true"/>
+        <widget class="QFrame" name="frame_isCurrentController_student">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="minimumSize">
+          <size>
+           <width>80</width>
+           <height>0</height>
+          </size>
+         </property>
+         <property name="maximumSize">
+          <size>
+           <width>80</width>
+           <height>16777215</height>
+          </size>
+         </property>
+         <property name="styleSheet">
+          <string notr="true">background-color:rgb(160,40,40);</string>
+         </property>
+         <property name="frameShape">
+          <enum>QFrame::StyledPanel</enum>
+         </property>
+         <property name="frameShadow">
+          <enum>QFrame::Raised</enum>
+         </property>
+         <layout class="QGridLayout" name="gridLayout_12">
+          <property name="leftMargin">
+           <number>0</number>
+          </property>
+          <property name="topMargin">
+           <number>0</number>
+          </property>
+          <property name="rightMargin">
+           <number>0</number>
+          </property>
+          <property name="bottomMargin">
+           <number>0</number>
+          </property>
+          <item row="0" column="0">
+           <widget class="QLabel" name="label_isCurrentController_student">
+            <property name="font">
+             <font>
+              <pointsize>16</pointsize>
+              <weight>75</weight>
+              <bold>true</bold>
+             </font>
+            </property>
+            <property name="text">
+             <string>O
+F
+F</string>
+            </property>
+            <property name="alignment">
+             <set>Qt::AlignHCenter|Qt::AlignTop</set>
+            </property>
+            <property name="wordWrap">
+             <bool>true</bool>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </widget>
        </item>
       </layout>
      </widget>
@@ -70,7 +262,101 @@
        <property name="bottomMargin">
         <number>3</number>
        </property>
+       <property name="spacing">
+        <number>5</number>
+       </property>
        <item row="0" column="0">
+        <widget class="QFrame" name="frame_isCurrentController_csone">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Fixed" vsizetype="MinimumExpanding">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="minimumSize">
+          <size>
+           <width>80</width>
+           <height>0</height>
+          </size>
+         </property>
+         <property name="maximumSize">
+          <size>
+           <width>80</width>
+           <height>16777215</height>
+          </size>
+         </property>
+         <property name="styleSheet">
+          <string notr="true">background-color:rgb(160,40,40);</string>
+         </property>
+         <property name="frameShape">
+          <enum>QFrame::StyledPanel</enum>
+         </property>
+         <property name="frameShadow">
+          <enum>QFrame::Raised</enum>
+         </property>
+         <layout class="QGridLayout" name="gridLayout_9">
+          <property name="leftMargin">
+           <number>0</number>
+          </property>
+          <property name="topMargin">
+           <number>0</number>
+          </property>
+          <property name="rightMargin">
+           <number>0</number>
+          </property>
+          <property name="bottomMargin">
+           <number>0</number>
+          </property>
+          <item row="0" column="0">
+           <widget class="QLabel" name="label_isCurrentController_csone">
+            <property name="sizePolicy">
+             <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+              <horstretch>0</horstretch>
+              <verstretch>0</verstretch>
+             </sizepolicy>
+            </property>
+            <property name="minimumSize">
+             <size>
+              <width>0</width>
+              <height>0</height>
+             </size>
+            </property>
+            <property name="maximumSize">
+             <size>
+              <width>16777215</width>
+              <height>16777215</height>
+             </size>
+            </property>
+            <property name="font">
+             <font>
+              <pointsize>16</pointsize>
+              <weight>75</weight>
+              <bold>true</bold>
+             </font>
+            </property>
+            <property name="text">
+             <string>O
+F
+F</string>
+            </property>
+            <property name="scaledContents">
+             <bool>false</bool>
+            </property>
+            <property name="alignment">
+             <set>Qt::AlignHCenter|Qt::AlignTop</set>
+            </property>
+            <property name="wordWrap">
+             <bool>true</bool>
+            </property>
+            <property name="margin">
+             <number>0</number>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </widget>
+       </item>
+       <item row="0" column="1">
         <widget class="QScrollArea" name="scrollArea_csone">
          <property name="widgetResizable">
           <bool>true</bool>
@@ -80,8 +366,8 @@
            <rect>
             <x>0</x>
             <y>0</y>
-            <width>1723</width>
-            <height>576</height>
+            <width>1638</width>
+            <height>595</height>
            </rect>
           </property>
          </widget>
@@ -106,7 +392,10 @@
        <property name="bottomMargin">
         <number>3</number>
        </property>
-       <item row="0" column="0">
+       <property name="spacing">
+        <number>5</number>
+       </property>
+       <item row="0" column="1">
         <widget class="QScrollArea" name="scrollArea_picker">
          <property name="widgetResizable">
           <bool>true</bool>
@@ -116,13 +405,80 @@
            <rect>
             <x>0</x>
             <y>0</y>
-            <width>1723</width>
-            <height>576</height>
+            <width>1638</width>
+            <height>595</height>
            </rect>
           </property>
          </widget>
         </widget>
        </item>
+       <item row="0" column="0">
+        <widget class="QFrame" name="frame_isCurrentController_picker">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="minimumSize">
+          <size>
+           <width>80</width>
+           <height>0</height>
+          </size>
+         </property>
+         <property name="maximumSize">
+          <size>
+           <width>80</width>
+           <height>16777215</height>
+          </size>
+         </property>
+         <property name="styleSheet">
+          <string notr="true">background-color:rgb(160,40,40);</string>
+         </property>
+         <property name="frameShape">
+          <enum>QFrame::StyledPanel</enum>
+         </property>
+         <property name="frameShadow">
+          <enum>QFrame::Raised</enum>
+         </property>
+         <layout class="QGridLayout" name="gridLayout_10">
+          <property name="leftMargin">
+           <number>0</number>
+          </property>
+          <property name="topMargin">
+           <number>0</number>
+          </property>
+          <property name="rightMargin">
+           <number>0</number>
+          </property>
+          <property name="bottomMargin">
+           <number>0</number>
+          </property>
+          <item row="0" column="0">
+           <widget class="QLabel" name="label_isCurrentController_picker">
+            <property name="font">
+             <font>
+              <pointsize>16</pointsize>
+              <weight>75</weight>
+              <bold>true</bold>
+             </font>
+            </property>
+            <property name="text">
+             <string>O
+F
+F</string>
+            </property>
+            <property name="alignment">
+             <set>Qt::AlignHCenter|Qt::AlignTop</set>
+            </property>
+            <property name="wordWrap">
+             <bool>true</bool>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </widget>
+       </item>
       </layout>
      </widget>
      <widget class="QWidget" name="tuning_tab">
@@ -130,8 +486,104 @@
        <string>Tuning</string>
       </attribute>
       <layout class="QGridLayout" name="gridLayout_6">
+       <property name="leftMargin">
+        <number>3</number>
+       </property>
+       <property name="topMargin">
+        <number>3</number>
+       </property>
+       <property name="rightMargin">
+        <number>3</number>
+       </property>
+       <property name="bottomMargin">
+        <number>3</number>
+       </property>
+       <property name="spacing">
+        <number>5</number>
+       </property>
+       <item row="0" column="1">
+        <widget class="QScrollArea" name="scrollArea_tuning">
+         <property name="widgetResizable">
+          <bool>true</bool>
+         </property>
+         <widget class="TuningControllerTab" name="tuning_controller_tab_widget">
+          <property name="geometry">
+           <rect>
+            <x>0</x>
+            <y>0</y>
+            <width>1638</width>
+            <height>595</height>
+           </rect>
+          </property>
+         </widget>
+        </widget>
+       </item>
        <item row="0" column="0">
-        <widget class="TuningControllerTab" name="tuning_controller_tab_widget" native="true"/>
+        <widget class="QFrame" name="frame_isCurrentController_tuning">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="minimumSize">
+          <size>
+           <width>80</width>
+           <height>0</height>
+          </size>
+         </property>
+         <property name="maximumSize">
+          <size>
+           <width>80</width>
+           <height>16777215</height>
+          </size>
+         </property>
+         <property name="styleSheet">
+          <string notr="true">background-color:rgb(160,40,40);</string>
+         </property>
+         <property name="frameShape">
+          <enum>QFrame::StyledPanel</enum>
+         </property>
+         <property name="frameShadow">
+          <enum>QFrame::Raised</enum>
+         </property>
+         <layout class="QGridLayout" name="gridLayout_13">
+          <property name="leftMargin">
+           <number>0</number>
+          </property>
+          <property name="topMargin">
+           <number>0</number>
+          </property>
+          <property name="rightMargin">
+           <number>0</number>
+          </property>
+          <property name="bottomMargin">
+           <number>0</number>
+          </property>
+          <item row="0" column="0">
+           <widget class="QLabel" name="label_isCurrentController_tuning">
+            <property name="font">
+             <font>
+              <pointsize>16</pointsize>
+              <weight>75</weight>
+              <bold>true</bold>
+             </font>
+            </property>
+            <property name="text">
+             <string>O
+F
+F</string>
+            </property>
+            <property name="alignment">
+             <set>Qt::AlignHCenter|Qt::AlignTop</set>
+            </property>
+            <property name="wordWrap">
+             <bool>true</bool>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </widget>
        </item>
       </layout>
      </widget>
@@ -140,8 +592,104 @@
        <string>Remote</string>
       </attribute>
       <layout class="QGridLayout" name="gridLayout_3">
+       <property name="leftMargin">
+        <number>3</number>
+       </property>
+       <property name="topMargin">
+        <number>3</number>
+       </property>
+       <property name="rightMargin">
+        <number>3</number>
+       </property>
+       <property name="bottomMargin">
+        <number>3</number>
+       </property>
+       <property name="spacing">
+        <number>5</number>
+       </property>
+       <item row="0" column="1">
+        <widget class="QScrollArea" name="scrollArea_remote">
+         <property name="widgetResizable">
+          <bool>true</bool>
+         </property>
+         <widget class="RemoteControllerTab" name="remote_controller_tab_widget">
+          <property name="geometry">
+           <rect>
+            <x>0</x>
+            <y>0</y>
+            <width>1638</width>
+            <height>595</height>
+           </rect>
+          </property>
+         </widget>
+        </widget>
+       </item>
        <item row="0" column="0">
-        <widget class="RemoteControllerTab" name="remote_controller_tab_widget" native="true"/>
+        <widget class="QFrame" name="frame_isCurrentController_remote">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="minimumSize">
+          <size>
+           <width>80</width>
+           <height>0</height>
+          </size>
+         </property>
+         <property name="maximumSize">
+          <size>
+           <width>80</width>
+           <height>16777215</height>
+          </size>
+         </property>
+         <property name="styleSheet">
+          <string notr="true">background-color:rgb(160,40,40);</string>
+         </property>
+         <property name="frameShape">
+          <enum>QFrame::StyledPanel</enum>
+         </property>
+         <property name="frameShadow">
+          <enum>QFrame::Raised</enum>
+         </property>
+         <layout class="QGridLayout" name="gridLayout_14">
+          <property name="leftMargin">
+           <number>0</number>
+          </property>
+          <property name="topMargin">
+           <number>0</number>
+          </property>
+          <property name="rightMargin">
+           <number>0</number>
+          </property>
+          <property name="bottomMargin">
+           <number>0</number>
+          </property>
+          <item row="0" column="0">
+           <widget class="QLabel" name="label_isCurrentController_remote">
+            <property name="font">
+             <font>
+              <pointsize>16</pointsize>
+              <weight>75</weight>
+              <bold>true</bold>
+             </font>
+            </property>
+            <property name="text">
+             <string>O
+F
+F</string>
+            </property>
+            <property name="alignment">
+             <set>Qt::AlignHCenter|Qt::AlignTop</set>
+            </property>
+            <property name="wordWrap">
+             <bool>true</bool>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </widget>
        </item>
       </layout>
      </widget>
@@ -150,8 +698,104 @@
        <string>Template</string>
       </attribute>
       <layout class="QGridLayout" name="gridLayout_7">
+       <property name="leftMargin">
+        <number>3</number>
+       </property>
+       <property name="topMargin">
+        <number>3</number>
+       </property>
+       <property name="rightMargin">
+        <number>3</number>
+       </property>
+       <property name="bottomMargin">
+        <number>3</number>
+       </property>
+       <property name="spacing">
+        <number>5</number>
+       </property>
+       <item row="0" column="1">
+        <widget class="QScrollArea" name="scrollArea_template">
+         <property name="widgetResizable">
+          <bool>true</bool>
+         </property>
+         <widget class="TemplateControllerTab" name="template_controller_tab_widget">
+          <property name="geometry">
+           <rect>
+            <x>0</x>
+            <y>0</y>
+            <width>1638</width>
+            <height>595</height>
+           </rect>
+          </property>
+         </widget>
+        </widget>
+       </item>
        <item row="0" column="0">
-        <widget class="TemplateControllerTab" name="template_controller_tab_widget" native="true"/>
+        <widget class="QFrame" name="frame_isCurrentController_template">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="minimumSize">
+          <size>
+           <width>80</width>
+           <height>0</height>
+          </size>
+         </property>
+         <property name="maximumSize">
+          <size>
+           <width>80</width>
+           <height>16777215</height>
+          </size>
+         </property>
+         <property name="styleSheet">
+          <string notr="true">background-color:rgb(160,40,40);</string>
+         </property>
+         <property name="frameShape">
+          <enum>QFrame::StyledPanel</enum>
+         </property>
+         <property name="frameShadow">
+          <enum>QFrame::Raised</enum>
+         </property>
+         <layout class="QGridLayout" name="gridLayout_15">
+          <property name="leftMargin">
+           <number>0</number>
+          </property>
+          <property name="topMargin">
+           <number>0</number>
+          </property>
+          <property name="rightMargin">
+           <number>0</number>
+          </property>
+          <property name="bottomMargin">
+           <number>0</number>
+          </property>
+          <item row="0" column="0">
+           <widget class="QLabel" name="label_isCurrentController_template">
+            <property name="font">
+             <font>
+              <pointsize>16</pointsize>
+              <weight>75</weight>
+              <bold>true</bold>
+             </font>
+            </property>
+            <property name="text">
+             <string>O
+F
+F</string>
+            </property>
+            <property name="alignment">
+             <set>Qt::AlignHCenter|Qt::AlignTop</set>
+            </property>
+            <property name="wordWrap">
+             <bool>true</bool>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </widget>
        </item>
       </layout>
      </widget>
diff --git a/dfall_ws/src/dfall_pkg/GUI_Qt/flyingAgentGUI/include/controllertabs.h b/dfall_ws/src/dfall_pkg/GUI_Qt/flyingAgentGUI/include/controllertabs.h
index 772a6807c6704ded815094573b0a8c6720ddb714..09c828d17c9d0eb75f98c8411fa3f2065505fc24 100644
--- a/dfall_ws/src/dfall_pkg/GUI_Qt/flyingAgentGUI/include/controllertabs.h
+++ b/dfall_ws/src/dfall_pkg/GUI_Qt/flyingAgentGUI/include/controllertabs.h
@@ -142,6 +142,9 @@ private:
     QColor m_tab_text_colour_normal;
     QColor m_tab_text_colour_highlight;
 
+    // Mutex for the highlighting of the active controller
+    QMutex m_change_highlighted_controller_mutex;
+
     // Sound effect for when the controller changes while flying
     //QSoundEffect m_soundEffect_controllerChanged;
 
@@ -183,9 +186,15 @@ private:
 
     void setControllerEnabled(int new_controller);
 
+    void setTextColourOfTabLabel(QColor color , QWidget * tab_widget);
+
     void setAllTabLabelsToNormalColouring();
 
-    void setTextColourOfTabLabel(QColor color , QWidget * tab_widget);
+    void setAllFramesToControllerIsOffColouring();
+
+    void setAllFramesToControllerCoordinatorColouring();
+
+
 
 };
 
diff --git a/dfall_ws/src/dfall_pkg/GUI_Qt/flyingAgentGUI/src/controllertabs.cpp b/dfall_ws/src/dfall_pkg/GUI_Qt/flyingAgentGUI/src/controllertabs.cpp
index 617745e2fd431cbefe88d166f5d35fc2932f99f0..2c873aa4ca2e562ad92977010e2a16fe59c2b64c 100644
--- a/dfall_ws/src/dfall_pkg/GUI_Qt/flyingAgentGUI/src/controllertabs.cpp
+++ b/dfall_ws/src/dfall_pkg/GUI_Qt/flyingAgentGUI/src/controllertabs.cpp
@@ -46,7 +46,10 @@ ControllerTabs::ControllerTabs(QWidget *parent) :
 
     // Specify the color for normal and highlighted tabs
     m_tab_text_colour_normal = Qt::black;
-    m_tab_text_colour_highlight = QColor(0,200,0);
+    m_tab_text_colour_highlight = QColor(40,120,40);
+
+    // Set all the frame to be the inactive colouring
+    setAllFramesToControllerIsOffColouring();
 
     // Initialise the sound effect for when the controller changes while flying
     //QSoundEffect m_soundEffect_controllerChanged;
@@ -437,8 +440,16 @@ void ControllerTabs::controllerUsedChangedCallback(const std_msgs::Int32& msg)
 
 void ControllerTabs::setControllerEnabled(int new_controller)
 {
+    // Define the on string and style sheet setting locally
+    const static QString style_sheet_string_for_on  = "background-color:rgb(40,120,40);";
+    const static QString text_for_controller_isOn = "A\nC\nT\nI\nV\nE";
+
     // First set everything back to normal colouring
     setAllTabLabelsToNormalColouring();
+    setAllFramesToControllerIsOffColouring();
+
+    // Lock the mutex
+    m_change_highlighted_controller_mutex.lock();
 
     // Now switch to highlight the tab corresponding to
     // the enable controller
@@ -447,6 +458,8 @@ void ControllerTabs::setControllerEnabled(int new_controller)
        case DEFAULT_CONTROLLER:
        {
            setTextColourOfTabLabel( m_tab_text_colour_highlight , ui->default_tab );
+           ui->frame_isCurrentController_default->setStyleSheet(style_sheet_string_for_on);
+           ui->label_isCurrentController_default->setText(text_for_controller_isOn);
            break;
        }
         case DEMO_CONTROLLER:
@@ -457,6 +470,8 @@ void ControllerTabs::setControllerEnabled(int new_controller)
         case STUDENT_CONTROLLER:
         {
             setTextColourOfTabLabel( m_tab_text_colour_highlight , ui->student_tab );
+            ui->frame_isCurrentController_student->setStyleSheet(style_sheet_string_for_on);
+            ui->label_isCurrentController_student->setText(text_for_controller_isOn);
             break;
         }
         case MPC_CONTROLLER:
@@ -467,26 +482,36 @@ void ControllerTabs::setControllerEnabled(int new_controller)
         case REMOTE_CONTROLLER:
         {
             setTextColourOfTabLabel( m_tab_text_colour_highlight , ui->remote_tab );
+            ui->frame_isCurrentController_remote->setStyleSheet(style_sheet_string_for_on);
+            ui->label_isCurrentController_remote->setText(text_for_controller_isOn);
             break;
         }
         case TUNING_CONTROLLER:
         {
             setTextColourOfTabLabel( m_tab_text_colour_highlight , ui->tuning_tab );
+            ui->frame_isCurrentController_tuning->setStyleSheet(style_sheet_string_for_on);
+            ui->label_isCurrentController_tuning->setText(text_for_controller_isOn);
             break;
         }
         case PICKER_CONTROLLER:
         {
             setTextColourOfTabLabel( m_tab_text_colour_highlight , ui->picker_tab );
+            ui->frame_isCurrentController_picker->setStyleSheet(style_sheet_string_for_on);
+            ui->label_isCurrentController_picker->setText(text_for_controller_isOn);
             break;
         }
         case TEMPLATE_CONTROLLER:
         {
             setTextColourOfTabLabel( m_tab_text_colour_highlight , ui->template_tab );
+            ui->frame_isCurrentController_template->setStyleSheet(style_sheet_string_for_on);
+            ui->label_isCurrentController_template->setText(text_for_controller_isOn);
             break;
         }
         case CSONE_CONTROLLER:
         {
             setTextColourOfTabLabel( m_tab_text_colour_highlight , ui->csone_tab );
+            ui->frame_isCurrentController_csone->setStyleSheet(style_sheet_string_for_on);
+            ui->label_isCurrentController_csone->setText(text_for_controller_isOn);
             break;
         }
         default:
@@ -495,11 +520,30 @@ void ControllerTabs::setControllerEnabled(int new_controller)
             break;
         }
     }
+
+    // Unlock the mutex
+    m_change_highlighted_controller_mutex.unlock();
+}
+
+
+void ControllerTabs::setTextColourOfTabLabel(QColor color , QWidget * tab_widget)
+{
+    // Get the current index of the tab
+    int current_index_of_tab = ui->controller_tabs_widget->indexOf(tab_widget);
+    // Only apply the colour if the tab is found
+    if (current_index_of_tab >= 0)
+    {
+        ui->controller_tabs_widget->tabBar()->setTabTextColor(current_index_of_tab, color);
+    }
 }
 
 
 void ControllerTabs::setAllTabLabelsToNormalColouring()
 {
+    // Lock the mutex
+    m_change_highlighted_controller_mutex.lock();
+
+    // Set all the colours to normal
     setTextColourOfTabLabel( m_tab_text_colour_normal , ui->default_tab );
     setTextColourOfTabLabel( m_tab_text_colour_normal , ui->student_tab );
     setTextColourOfTabLabel( m_tab_text_colour_normal , ui->picker_tab );
@@ -507,21 +551,79 @@ void ControllerTabs::setAllTabLabelsToNormalColouring()
     setTextColourOfTabLabel( m_tab_text_colour_normal , ui->remote_tab );
     setTextColourOfTabLabel( m_tab_text_colour_normal , ui->template_tab );
     setTextColourOfTabLabel( m_tab_text_colour_normal , ui->csone_tab );
+
+    // Unlock the mutex
+    m_change_highlighted_controller_mutex.unlock();
 }
 
-void ControllerTabs::setTextColourOfTabLabel(QColor color , QWidget * tab_widget)
+void ControllerTabs::setAllFramesToControllerIsOffColouring()
 {
-    // Get the current index of the tab
-    int current_index_of_tab = ui->controller_tabs_widget->indexOf(tab_widget);
-    // Only apply the colour if the tab is found
-    if (current_index_of_tab >= 0)
-    {
-        ui->controller_tabs_widget->tabBar()->setTabTextColor(current_index_of_tab, color);
-    }
+    // Define the off string and style sheet setting locally
+    const static QString text_for_controller_isOff = "O\nF\nF";
+    const static QString style_sheet_string_for_off = "background-color:rgb(160,40,40);";
+
+    // Lock the mutex
+    m_change_highlighted_controller_mutex.lock();
+
+    // Set all the frames to the off colour
+    ui->frame_isCurrentController_default ->setStyleSheet(style_sheet_string_for_off);
+    ui->frame_isCurrentController_student ->setStyleSheet(style_sheet_string_for_off);
+    ui->frame_isCurrentController_picker  ->setStyleSheet(style_sheet_string_for_off);
+    ui->frame_isCurrentController_tuning  ->setStyleSheet(style_sheet_string_for_off);
+    ui->frame_isCurrentController_remote  ->setStyleSheet(style_sheet_string_for_off);
+    ui->frame_isCurrentController_template->setStyleSheet(style_sheet_string_for_off);
+    ui->frame_isCurrentController_csone   ->setStyleSheet(style_sheet_string_for_off);
+
+
+    // Set all the texts to the off string
+    ui->label_isCurrentController_default ->setText(text_for_controller_isOff);
+    ui->label_isCurrentController_student ->setText(text_for_controller_isOff);
+    ui->label_isCurrentController_picker  ->setText(text_for_controller_isOff);
+    ui->label_isCurrentController_tuning  ->setText(text_for_controller_isOff);
+    ui->label_isCurrentController_remote  ->setText(text_for_controller_isOff);
+    ui->label_isCurrentController_template->setText(text_for_controller_isOff);
+    ui->label_isCurrentController_csone   ->setText(text_for_controller_isOff);
+
+    // Unlock the mutex
+    m_change_highlighted_controller_mutex.unlock();
+}
+
+void ControllerTabs::setAllFramesToControllerCoordinatorColouring()
+{
+    // Define the off string locally
+    const static QString text_for_coordinatorMode = "C\nO\nO\nR\nD";
+    const static QString style_sheet_string_for_coordinatorMode = "background-color:rgb(150,150,150);";
+
+    // Lock the mutex
+    m_change_highlighted_controller_mutex.lock();
+
+    // Set all the frames to the off colour
+    ui->frame_isCurrentController_default ->setStyleSheet(style_sheet_string_for_coordinatorMode);
+    ui->frame_isCurrentController_student ->setStyleSheet(style_sheet_string_for_coordinatorMode);
+    ui->frame_isCurrentController_picker  ->setStyleSheet(style_sheet_string_for_coordinatorMode);
+    ui->frame_isCurrentController_tuning  ->setStyleSheet(style_sheet_string_for_coordinatorMode);
+    ui->frame_isCurrentController_remote  ->setStyleSheet(style_sheet_string_for_coordinatorMode);
+    ui->frame_isCurrentController_template->setStyleSheet(style_sheet_string_for_coordinatorMode);
+    ui->frame_isCurrentController_csone   ->setStyleSheet(style_sheet_string_for_coordinatorMode);
+
+
+    // Set all the texts to the off string
+    ui->label_isCurrentController_default ->setText(text_for_coordinatorMode);
+    ui->label_isCurrentController_student ->setText(text_for_coordinatorMode);
+    ui->label_isCurrentController_picker  ->setText(text_for_coordinatorMode);
+    ui->label_isCurrentController_tuning  ->setText(text_for_coordinatorMode);
+    ui->label_isCurrentController_remote  ->setText(text_for_coordinatorMode);
+    ui->label_isCurrentController_template->setText(text_for_coordinatorMode);
+    ui->label_isCurrentController_csone   ->setText(text_for_coordinatorMode);
+
+    // Unlock the mutex
+    m_change_highlighted_controller_mutex.unlock();
 }
 
 
 
+
+
 //    ----------------------------------------------------------------------------------
 //      A     GGGG  EEEEE  N   N  TTTTT     III  DDDD    SSSS
 //     A A   G      E      NN  N    T        I   D   D  S
@@ -592,6 +694,8 @@ void ControllerTabs::setAgentIDsToCoordinate(QVector<int> agentIDs , bool should
         // Set all tabs to be normal colours
         setAllTabLabelsToNormalColouring();
 
+        // Set all current controller frames to be in "coordinator mode"
+        setAllFramesToControllerCoordinatorColouring();
     }
 #endif
 
diff --git a/dfall_ws/src/dfall_pkg/launch/coordinator.launch b/dfall_ws/src/dfall_pkg/launch/coordinator.launch
index b05e5b610ac22d23d1598a4417e7bf049cb1292f..30fa23c456f006a6916aa9c44aef51d7144dd5e9 100755
--- a/dfall_ws/src/dfall_pkg/launch/coordinator.launch
+++ b/dfall_ws/src/dfall_pkg/launch/coordinator.launch
@@ -12,7 +12,7 @@
 	<!-- Example of how to specify the coordID from command line -->
 	<!-- roslaunch dfall_pkg coordID:=001 -->
 
-	<group ns="$(eval 'agent' + str(coordID).zfill(3))">
+	<group ns="$(eval 'coord' + str(coordID).zfill(3))">
 
 		<!-- COORDINATOR GUI -->
 		<group if="$(arg withGUI)">