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There was some work done on Blue Streak / Blue Steel at Woodford (Hawker Siddley / Avro / British Aerospace / BAESYSTEMS) - remnants of which were still evident when I started work in 1986. Not found any online records of this other than a mention via Google Books: https://books.google.co.uk/books?id=NAOhDwAAQBAJ&lpg=PA141&ots=herWG_6bVU&dq=blue%20streak%20at%20woodford&pg=PA140#v=onepage&q=blue%20streak%20at%20woodford&f=false