凯赛林隘口战役是在第二次世界大战中的突尼斯战役期间发生。事实上，这是在突尼斯中西部的大背链阿特拉斯山脉1条2英里（3 公里）宽的凯赛林隘口进行的一系列战斗。参战的轴心国部队主要是由埃尔温·隆美尔元帅率领的德国－意大利装甲军团（即重组的德国非洲装甲军团）和2个从德国第5装甲军团前来增援的装甲师。而参战的盟军大都来自由劳埃德·弗雷登道尔少将指挥的美国第2军，它是隶属于由肯尼思·安德森中将指挥的英国第1军团。

作为在第二次世界大战中美军和德军的首次重要的大规模会战，美军因缺乏经验和指挥不当，导致伤亡惨重，在1场溃败中从费德隘口的阵地被迫后撤50英里（80 公里）。之后，美军从单位组织以至指挥官上进行彻底改变。当他们只有几星期后再次碰头时，在某些情况下，美军在作战上更为有效率。

The Battle of Kasserine Pass was an important battle of the Tunisia Campaign of World War II that took place in February 1943. Kasserine Pass is a 2 mi (3.2 km) wide gap in the Grand Dorsal chain of the Atlas Mountains in west central Tunisia. The Axis forces led by Generalfeldmarschall Erwin Rommel, were primarily from the Afrika Korps Assault Group, elements of the Italian Centauro Armoured Division and two Panzer divisions detached from the 5th Panzer Army against Allied forces of U.S. II Corps (Major General Lloyd Fredendall) and the British 6th Armoured Division (Major-General Charles Keightley), parts of the British First Army (Lieutenant-General Kenneth Anderson).