http://www.tankmastergunner.com/thunder%20run.htm
This is the story of the real event. It was by far not the smooth affair the medias described it as, but was a hell of a sharp fight, and the US loosing the battle (which took several runs and days in fact) was a very realistic possebility.
The author of that long article is author of the book "Thunder Run" and very much summarizes his own written work in this.