On: How Britain beat the odds to achieve space flight,...

[gaius]

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... <-- not an affiliate link, just a reference

https://en.wikipedia.org/wiki/Black_Arrow#Cancellation <-- brief mention here