![Insignia of the 11th Armored Division. "Thunderbolt" is a nickname adopted by the 11th Armored Division during its rapid march in ... [LCID: n05630]](https://encyclopedia.ushmm.org/images/large/8e76a877-8ba2-4e84-9f34-fecec04dd318.jpg)
Insignia of the 11th Armored Division. "Thunderbolt" is a nickname adopted by the 11th Armored Division during its rapid march in December 1944 to reinforce US troops defending against the German military offensive in the Ardennes Forest.
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