Index: firmware/App/Controllers/BloodLeak.c
===================================================================
diff -u -reea2857548dfde4f092983ede2c2bd1d1453fa12 -r1519b5d150fd913f596715f0eacce7d5c5e0d56c
--- firmware/App/Controllers/BloodLeak.c	(.../BloodLeak.c)	(revision eea2857548dfde4f092983ede2c2bd1d1453fa12)
+++ firmware/App/Controllers/BloodLeak.c	(.../BloodLeak.c)	(revision 1519b5d150fd913f596715f0eacce7d5c5e0d56c)
@@ -1194,7 +1194,7 @@
             // Done with receiving the data
             bloodLeakEmbModeRqstedCmd = NU_EMB_MODE_CMD;
             state                     = BLOOD_LEAK_CAL_WAIT_FOR_COMAND_STATE;
-            handleSendBloodLeakEmbeddedModeCommandResponse( length, bloodLeakEmbModeRespBuffer );
+            sendBloodLeakEmbeddedModeCommandResponse( length, bloodLeakEmbModeRespBuffer );
         }
     }
 
@@ -1207,7 +1207,7 @@
         bloodLeakEmbModeRespBuffer[ 0 ] = BLOOD_LEAK_EMB_MODE_FAIL_ASCII;
         bloodLeakEmbModeRqstedCmd       = NU_EMB_MODE_CMD;
         state                           = BLOOD_LEAK_CAL_WAIT_FOR_COMAND_STATE;
-        handleSendBloodLeakEmbeddedModeCommandResponse( length, bloodLeakEmbModeRespBuffer );
+        sendBloodLeakEmbeddedModeCommandResponse( length, bloodLeakEmbModeRespBuffer );
     }
 
     return state;
Index: firmware/App/Services/AlarmMgmt.c
===================================================================
diff -u -rd81f239e0039bc025586f7dfc21cdd3d937c8744 -r1519b5d150fd913f596715f0eacce7d5c5e0d56c
--- firmware/App/Services/AlarmMgmt.c	(.../AlarmMgmt.c)	(revision d81f239e0039bc025586f7dfc21cdd3d937c8744)
+++ firmware/App/Services/AlarmMgmt.c	(.../AlarmMgmt.c)	(revision 1519b5d150fd913f596715f0eacce7d5c5e0d56c)
@@ -670,7 +670,7 @@
 
 /*********************************************************************//**
  * @brief
-* The handleActiveAlarmListRequest function processed the active alarms list
+* The handleActiveAlarmListRequest function processes the active alarms list
 * request from UI.
 * @details Inputs: alarmIsActive[]
 * @details Outputs: sent active alarms list to UI
@@ -703,6 +703,41 @@
 
     sendActiveAlarmsList( accepted, rejReason, activeAlarmList, sizeof( activeAlarmList ) );
 }
+
+/*********************************************************************//**
+ * @brief
+* The handleResendActiveAlarmsRequest function processes the request to re-send
+* all active alarms.
+* @details Inputs: alarmIsActive[]
+* @details Outputs: re-send active alarms to UI
+* @return none
+*************************************************************************/
+void handleResendActiveAlarmsRequest( void )
+{
+    U32 index;
+
+    if ( TRUE == isAnyAlarmActive() )
+    {
+        for ( index = 0; index < NUM_OF_ALARM_IDS; index++ )
+        {
+            if ( TRUE == isAlarmActive( (ALARM_ID_T)index ) )
+            {
+                ALARM_TRIGGERED_PAYLOAD_T data;
+
+                data.alarm = index;
+                data.almDataType1 = BLANK_ALARM_DATA.dataType;
+                data.almData1 = BLANK_ALARM_DATA.data.uInt.data;
+                data.almDataType2 = BLANK_ALARM_DATA.dataType;
+                data.almData2 = BLANK_ALARM_DATA.data.uInt.data;
+                data.almPriority = ALARM_TABLE[ index ].alarmPriority;
+                data.almRank = ALARM_TABLE[ index ].alarmSubRank;
+                data.almClrTopOnly = ALARM_TABLE[ index ].alarmClearOnly;
+
+                broadcastData( MSG_ID_ALARM_TRIGGERED, COMM_BUFFER_OUT_CAN_HD_ALARM, (U08*)&data, sizeof( ALARM_TRIGGERED_PAYLOAD_T ) );
+            }
+        }
+    }
+}
 
 /*********************************************************************//**
  * @brief
Index: firmware/App/Services/AlarmMgmt.h
===================================================================
diff -u -r19a8bf98a7154e24c35da25225d4b55bf70ddd09 -r1519b5d150fd913f596715f0eacce7d5c5e0d56c
--- firmware/App/Services/AlarmMgmt.h	(.../AlarmMgmt.h)	(revision 19a8bf98a7154e24c35da25225d4b55bf70ddd09)
+++ firmware/App/Services/AlarmMgmt.h	(.../AlarmMgmt.h)	(revision 1519b5d150fd913f596715f0eacce7d5c5e0d56c)
@@ -183,7 +183,8 @@
 BOOL isAlarmRecoverable( ALARM_ID_T alarm );
 void setAlarmAudioVolume( U32 volumeLevel );
 
-void handleActiveAlarmListRequest( void );
+void handleActiveAlarmListRequest( void );
+void handleResendActiveAlarmsRequest( void );
 
 U32 getAlarmAudioVolume( void );
 F32 getAlarmAudioPrimaryHighGainCurrent( void );
Index: firmware/App/Services/CommBuffers.c
===================================================================
diff -u -r24b2fe72608344e67ef37234085d15ad5e4fcc37 -r1519b5d150fd913f596715f0eacce7d5c5e0d56c
--- firmware/App/Services/CommBuffers.c	(.../CommBuffers.c)	(revision 24b2fe72608344e67ef37234085d15ad5e4fcc37)
+++ firmware/App/Services/CommBuffers.c	(.../CommBuffers.c)	(revision 1519b5d150fd913f596715f0eacce7d5c5e0d56c)
@@ -30,7 +30,7 @@
 
 // ********** private definitions **********
 
-#define COMM_BUFFER_LENGTH              512             ///< Max bytes in each comm buffer (each side of double buffer is this size)
+#define COMM_BUFFER_LENGTH              768             ///< Max bytes in each comm buffer (each side of double buffer is this size)
 #define DOUBLE_BUFFERS                  2               ///< Need 2 buffers for double buffering
 #define BUFFER_OVERFLOW_PERSISTENCE_MS  5000            ///< How many ms buffer overflows must persist before fault
 
Index: firmware/App/Services/SystemComm.c
===================================================================
diff -u -rbb5280946ac08388b456c7c1848d7797c4a28038 -r1519b5d150fd913f596715f0eacce7d5c5e0d56c
--- firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision bb5280946ac08388b456c7c1848d7797c4a28038)
+++ firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision 1519b5d150fd913f596715f0eacce7d5c5e0d56c)
@@ -1655,6 +1655,10 @@
                 handleSetBloodLeakEmbeddedModeCommand( message );
                 break;
 
+            case MSG_ID_HD_SEND_ALARMS_COMMAND:
+                handleResendAllAlarmsCommand( message );
+                break;
+
             // The default cannot be reached in VectorCAST since the cases are run in a for loop
             default:
                 // Unrecognized message ID received - ignore
Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -r43e59e505bbea87c76822c51a3273eec3f4addaa -r1519b5d150fd913f596715f0eacce7d5c5e0d56c
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 43e59e505bbea87c76822c51a3273eec3f4addaa)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 1519b5d150fd913f596715f0eacce7d5c5e0d56c)
@@ -7271,15 +7271,15 @@
 
 /*********************************************************************//**
  * @brief
- * The handleSendBloodLeakEmbeddedModeCommandResponse function sends out
+ * The sendBloodLeakEmbeddedModeCommandResponse function sends out
  * the blood leak embedded mode command response.
  * @details Inputs: none
  * @details Outputs: blood leak embedded mode command response msg constructed and queued
  * @param responseLen: the length of the buffer
  * @param response: pointer to the response buffer
  * @return TRUE if msg successfully queued for transmit, FALSE if not
  *************************************************************************/
-BOOL handleSendBloodLeakEmbeddedModeCommandResponse( U32 responseLen, U08* response )
+BOOL sendBloodLeakEmbeddedModeCommandResponse( U32 responseLen, U08* response )
 {
     BOOL result;
     MESSAGE_T msg;
@@ -7300,4 +7300,28 @@
     return result;
 }
 
+/*********************************************************************//**
+* @brief
+* The handleResendAllAlarmsCommand function handles a request to re-send
+* all active HD alarms.
+* @details Inputs: none
+* @details Outputs: message handled
+* @param message a pointer to the message to handle
+* @return none
+*************************************************************************/
+void handleResendAllAlarmsCommand(  MESSAGE_T* message )
+{
+    BOOL result = FALSE;
+
+    // verify payload length
+    if ( 0 == message->hdr.payloadLen )
+    {
+        handleResendActiveAlarmsRequest();
+        result = TRUE;
+    }
+
+    // respond to request
+    sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );
+}
+
 /**@}*/
Index: firmware/App/Services/SystemCommMessages.h
===================================================================
diff -u -r43e59e505bbea87c76822c51a3273eec3f4addaa -r1519b5d150fd913f596715f0eacce7d5c5e0d56c
--- firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision 43e59e505bbea87c76822c51a3273eec3f4addaa)
+++ firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision 1519b5d150fd913f596715f0eacce7d5c5e0d56c)
@@ -807,8 +807,11 @@
 void handleSetBloodLeakEmbeddedModeCommand( MESSAGE_T* message );
 
 // MSG_ID_HD_SEND_BLOOD_LEAK_EMB_MODE_RESPONSE
-BOOL handleSendBloodLeakEmbeddedModeCommandResponse( U32 responseLen, U08* response );
+BOOL sendBloodLeakEmbeddedModeCommandResponse( U32 responseLen, U08* response );
 
+// MSG_ID_HD_SEND_ALARMS_COMMAND
+void handleResendAllAlarmsCommand(  MESSAGE_T* message );
+
 /**@}*/
 
 #endif