The [45th Infantry Division](http://en.wikipedia.org/wiki/U.S._45th_Infantry_Division "U.S. 45th Infantry Division") of the [United States Army](http://en.wikipedia.org/wiki/United_States_Army "United States Army") used a yellow swastika on a red background as a unit symbol until the 1930s, when it was switched to a [thunderbird](http://en.wikipedia.org/wiki/Thunderbird_%28mythology%29 "Thunderbird (mythology)")

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