My grandfather worked on the Manhattan project as a precision machinist who fabricated parts for both those bombs in Chicago. He never knew at the time what he was making, only that it had to be perfection itself when it was done and not to talk to anyone about it.
I’ve always been kind of proud knowing that his craftsmanship helped end that war, no matter what Obama is probably going to say.
I’m very proud of, and grateful for, men like your grandfather!