Satellite Image of Area 51 June 2009

This image is an Aerial Satellite picture of Area 51 was taken in late 2009 by the  Geo Eye 1 satellite
2 structures are observed in the field area to the right side of the main base; One of them seems to be some kind of telescopic device,with a road (or underground tunnel) connecting it to a smaller  building.
the lowest of the three images shows an enlargement with the two structures visible; please click on the images to see enlarged to full size.