Re: Black Arrows forth dimension
"It might be reasonable to think that the UK was broke by the 1960s but you'll hear the same kvetching from politicians about unnecessary expenditure in the 1930s and even earlier."
Such as, currently in the news "Palmerstones Follies". Touted as a waste of money at the time because they were never used. Of course, you could also argue that they were never used because their mere existence was a deterrent.