"By having shows like that, it is not only in bad taste, but I think I sustains misinformation," said Ron Katsuyama, past president of the Asian American Council.
As many as 140,000 people were killed by the atomic bomb attack on Hiroshima, with more than 70,000 more killed in an attack three days later on Nagasaki.
In 1994, Bill Clinton's White House pressured the U.S. Postal Service into scrapping a mushroom cloud stamp planned to commemorate the 50th anniversary of the war's end, following protests by the Japanese government.
A spokeswoman at the Japanese Embassy in Washington said Thursday it was unaware of the air show issue and had no comment.
The controversy is another setback for the show that dates to 1975 in the city that was home to the aviation-pioneering Wright Brothers.
The air show last month announced that its headline act, the U.S. Air Force's Thunderbirds jet demonstration team, was canceled because of the cuts triggered by the failure to reach a federal budget deal in Washington.
The show normally attracts more than 70,000 people for its displays of vintage planes, aerial acrobatics and stunts. Kerfoot said attendance likely will be lower this year.
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