H

http://www.zimbio.com/pictures/EoXrfDWJN8t/Prince+William+Prince+Harry+Visit+RAF+Shawbury/itEEpRFD2eG

https://www.google.com/search?tbm=isch&hl=pt-PT&source=hp&biw=960&bih=473&gbv=2&oq=Prince+William+and+Prince+Harry+Visit+RAF+Shawbury+&aq=f&aqi=&gs_l=img.12...1748.1748.0.2811.1.1.0.0.0.0.123.123.0j1.1.0...0.0.tKzCKBXumXM&q=Prince%20William%20and%20Prince%20Harry%20Visit%20RAF%20Shawbury

http://cryptome.org/eyeball/nuclear-silos/nuclear-silos.htm