We're at university together <a href=" http://www.delfsail.nl/eregra-online.pptx ">eregra herbal</a> To mark 50 years since the first batches of WWII aerial photos were declassified, Allan Williams - from the National Collection of Aerial Photography in Edinburgh - has written a book about Operation Crossbow and the role photographic intelligence played to stop the doodlebugs and V2 rockets.