View of Dieppe beach from the German gun positions. The truth is that Stalin was threatening to sue for peace with Hitler on the verge of taking Moscow, Stalingrad, and Leningrad.
Not only that but Roosevelt did not like Churchill's plan to go to North Africa first. He wanted to take on Hitler in France right away.

Churchill gave Mountbatten the job of mounting a mini invasion.... AND PROVE IT COULD NOT BE DONE YET. (source Gen. Denis Whitaker in his book Dieppe Tragedy to Triumph)

So the bombing of the guns by Bomber Harris was called off at the last minute, no battle ship was sent to provide fire support and the Canadians were slaughtered.

View of Dieppe beach from the German gun positions. The truth is that Stalin was threatening to sue for peace with Hitler on the verge of taking Moscow, Stalingrad, and Leningrad.
Not only that but Roosevelt did not like Churchill's plan to go to North Africa first. He wanted to take on Hitler in France right away.

Churchill gave Mountbatten the job of mounting a mini invasion.... AND PROVE IT COULD NOT BE DONE YET. (source Gen. Denis Whitaker in his book Dieppe Tragedy to Triumph)

So the bombing of the guns by Bomber Harris was called off at the last minute, no battle ship was sent to provide fire support and the Canadians were slaughtered.