Is there a link? It's documented in the book Vertical Empire, I don't know of an online copy, I'm afraid. https://smile.amazon.co.uk/Vertical-Empire-History-P

Is there a link? It's documented in the book Vertical Empire, I don't know of an online copy, I'm afraid. https://smile.amazon.co.uk/Vertical-Empire-History-Programme-1950-1971/dp/1860942687/ref=smi_www_rco2_go_smi_9905632998?_encoding=UTF8&%2AVersion%2A=1&%2Aentries%2A=0&ie=UTF8 https://smile.amazon.co.uk/Vertical-Empire-History-Programme... <-- not an affiliate link, just a reference https://en.wikipedia.org/wiki/Black_Arrow#Cancellation https://en.wikipedia.org/wiki/Black_Arrow#Cancellation <-- brief mention here