diff --git a/cave/com.raytheon.viz.core/src/com/raytheon/viz/core/rsc/VizGroupResourceData.java b/cave/com.raytheon.viz.core/src/com/raytheon/viz/core/rsc/VizGroupResourceData.java
index 91c3a17caa..8a0828a0d5 100644
--- a/cave/com.raytheon.viz.core/src/com/raytheon/viz/core/rsc/VizGroupResourceData.java
+++ b/cave/com.raytheon.viz.core/src/com/raytheon/viz/core/rsc/VizGroupResourceData.java
@@ -53,7 +53,8 @@ import com.raytheon.uf.viz.core.rsc.ResourceList;
  * 
  * Date         Ticket#    Engineer    Description
  * ------------ ---------- ----------- --------------------------
- * Jan 28, 2011            mpduff     Initial creation
+ * Jan 28, 2011            mpduff      Initial creation.
+ * Sep 11, 2012  1162      mpduff      Made mergeMetaDataMap method public.
  * 
  * </pre>
  * 
@@ -117,7 +118,7 @@ public class VizGroupResourceData extends AbstractRequestableResourceData
         return resource;
     }
 
-    private void mergeMetadataMap() {
+    public void mergeMetadataMap() {
         if ((this.metadataMap == null) || this.metadataMap.isEmpty()) {
             this.metadataMap = new HashMap<String, RequestConstraint>();
 
diff --git a/cave/com.raytheon.viz.grid/src/com/raytheon/viz/grid/rsc/FfgVizGroupResourceData.java b/cave/com.raytheon.viz.grid/src/com/raytheon/viz/grid/rsc/FfgVizGroupResourceData.java
index 0c5b2634dd..8ef549e06b 100644
--- a/cave/com.raytheon.viz.grid/src/com/raytheon/viz/grid/rsc/FfgVizGroupResourceData.java
+++ b/cave/com.raytheon.viz.grid/src/com/raytheon/viz/grid/rsc/FfgVizGroupResourceData.java
@@ -19,6 +19,19 @@
  **/
 package com.raytheon.viz.grid.rsc;
 
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Set;
+
+import com.raytheon.uf.common.time.DataTime;
+import com.raytheon.uf.viz.core.drawables.ResourcePair;
+import com.raytheon.uf.viz.core.exception.VizException;
+import com.raytheon.uf.viz.core.rsc.AbstractRequestableResourceData;
 import com.raytheon.viz.core.rsc.VizGroupResourceData;
 
 
@@ -31,7 +44,8 @@ import com.raytheon.viz.core.rsc.VizGroupResourceData;
  *
  * Date         Ticket#    Engineer    Description
  * ------------ ---------- ----------- --------------------------
- * Jan 28, 2011            mpduff     Initial creation
+ * Jan 28, 2011            mpduff      Initial creation.
+ * Sep 11, 2012   1162     mpduff      Override getAvailableTimes method.
  *
  * </pre>
  *
@@ -44,4 +58,31 @@ public class FfgVizGroupResourceData extends VizGroupResourceData {
         // Make name generator here
         nameGenerator = new FfgGridNameGenerator();
     }
+
+    @Override
+    public DataTime[] getAvailableTimes() throws VizException {
+        Set<DataTime> baseTimes = new HashSet<DataTime>();
+        Iterator<ResourcePair> rpIter = resourceList.iterator();
+        super.mergeMetadataMap();
+
+        List<DataTime> availableTimes = new ArrayList<DataTime>();
+
+        while (rpIter.hasNext()) {
+            ResourcePair rp = rpIter.next();
+
+            if (rp.getResourceData() instanceof AbstractRequestableResourceData) {
+                AbstractRequestableResourceData arrd = (AbstractRequestableResourceData) rp
+                        .getResourceData();
+                Collection<DataTime> times = Arrays.asList(arrd
+                        .getAvailableTimes());
+
+                baseTimes.addAll(times);
+            }
+        }
+
+        availableTimes.addAll(baseTimes);
+        Collections.sort(availableTimes);
+
+        return availableTimes.toArray(new DataTime[availableTimes.size()]);
+    }
 }