The impact of the Dams raid (I've read all the books) was greater on the British and the Americans. It certainly helped the Americans to see that we could do smart things. But, in all that I have read, the damage was not as great as hoped and was repaired more quickly.
All strength to the men and women who made this happen, from Wallis all the way to the last WAAF driver and admin clerk. Those who died did a remarkable thing. It had to be done.
The war was made by humans and won by humans. The world is a better place for the winning of it. Ther Merlin was a fabulous invention.
Now we are in the 21st century and we should remember these things quietly and not broadcast to the rest of the world that we have lost the peace.