Map

Here is a nice aerial view of Aldermaston, showing gates, etc.

If you want to look at the site in more detail, go to this link for a relatively up-to-date satellite map you can zoom in on and around

http://maps.google.co.uk/maps?hl=en&q=aldermaston%20awe&um=1&ie=UTF-8&sa=N&tab=wl.