In the aftermath of the Japanese attack on Pearl Harbor, the members of a PT boat squadron patrol Philippine waters and attack Japanese ships. The PT boat initially had little respect from senior Navy officers but their maneuverability and speed however quickly change their minds. As the Japanese advance across the Philippines, the PT boats become essential in evacuating the senior personnel including General Mac Arthur.

从 1862 年末到 1865 年内战结束，“美国同盟军”跟随一群同盟骑兵和一群联盟（联邦）骑兵。

　　故事发生在第二次世界大战时期，纳粹德国的空袭使美军第八空袭部队损失惨重。漫长的持久战，让美军的士气和斗志都消失殆尽，濒临绝境。然而吃紧的战况却不容得他们半点松懈和喘息。在此危机而关键的时刻，总部派来了新指挥官弗兰克·萨维奇（格利高里·派克 Gregory Peck 饰）接管这批队伍。面对德军的猛烈攻击和部队的严重损失，弗兰克意志坚定临危不惧，以铁一般的纪律和身先士卒的态度，带领部队一路拼杀，与德军殊死搏斗。弗兰克超绝非凡的气度和顽强到底的抵抗精神，深深地感染了部队里的每一位成员，队伍得以重振旗鼓，取得了重大胜利。
　　本片荣获1950年第22届奥斯卡金像奖最佳男配角和最佳音响效果两项大奖，并获得最佳影片、最佳男主角两项提名。