https://www.seattletimes.com/business/boeing-aerospace/from-the-archives-how-boeing-hid-its-bomber-factory/
''Pluto''
https://www.dailymail.co.uk/news/article-3704022/How-three-fake-cottages-ice-cream-shop-helped-defeat-Nazis-buildings-concealed-giant-pumps-send-fuel-500-miles-pipelines-Allied-forces-France.html
https://theddaystory.com/markers/pluto-pumping-station-sandown-isle-of-wight/