i saw that shot too... the extra fin stuck out like a sore thumb
the second program was by far the best with aspects explained that i have never seen before. the explanation of how the backspin principle had four advantages was particularly interesting. i'd only ever knew about the effect of hugging the dam as it sank, never the shallow angle of bounce, the lessining of the initial impact on the water and the other i forget at the mo....
The courage of Les knight as well was otstanding, letting the crew bail out before flying on himself. I am sure however, any of the crews throught the history of the RAF to this day would do the same thing.
All credit to the new crew, if the programme has made just one more person understand the significance of this raid and indeed the importance of flight in this the centenery year, it can only be a good thing!!!