diff --git a/Observatory/AMDA/VEX.xml b/Observatory/AMDA/VEX.xml
index cc469ef..8b539c4 100644
--- a/Observatory/AMDA/VEX.xml
+++ b/Observatory/AMDA/VEX.xml
@@ -15,6 +15,10 @@
     </ResourceHeader>
     <Location> 
       <ObservatoryRegion>Venus</ObservatoryRegion>      
-    </Location>
+    </Location> 
+    <OperatingSpan>
+      <StartDate>2006-04-30T00:00:00</StartDate>
+      <StopDate>2014-12-16T00:00:00</StopDate>
+    </OperatingSpan>    
   </Observatory>
 </Spase>
--
libgit2 0.21.2