There was no battle for Attu nor Kiska as the Japanese evacuated a few hours before the US and Canadian force landed in 1943. The Regiment de Hull, my home town's regiment, was part of the Canadian part of the force, which is why I am somewhhat familiar with this peculiar deployment for Canadian troops. Canada's war effort was overwhelmingly directed towards Europe; the only army involvment was the loss of two regiments who were in garrison in Hong Kong when the Japanese attacked in December 1941 (a few hours after Pearl Harbor) and the brigade sent to Attu and Kiska. I cannot say for the US Forces but I would assume that they would be covered on-line by official government sites. You can find this for Canada at the Canadian Military History Gateway. It might have links to US sites. There are of course the excellent official histories of the Second World War published by your armed forces which should be avaliable or obtainable by inter-library loan at your public libray. These studies should be the start of any serious research.
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