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In addition, As Zhang Xiaobo said, On the front line at that time, Wearing or not wearing a helmet is a "choice", Because Vietnam is located in Southeast Asia, The climate is hot and humid, Helmets are heavy and airtight, Wearing it is very easy to cause heatstroke, Particularly in fast maneuvers, This is the easiest way to do strenuous activities such as running. Therefore, in order for the troops to fight more efficiently, There would be no mandatory order for everyone to wear a helmet, If you don't want to wear it, you can choose to wear a cloth cap with eaves. So in the vast majority of relevant historical photos, Among our troops participating in the war, The highest percentage of helmets is worn by artillery, It is mainly used to defend the fragments of enemy artillery and various hard objects brought up by explosions in artillery warfare. Even some border militiamen wore helmets in large numbers, On the contrary, the impact is at the forefront, Infantry units carrying out a large number of mobile combat missions are rarely worn, Investigate its reason, It is for the infantry troops to carry out large-scale interspersed operations frequently. Exercise is enormous, It is really inconvenient to wear helmets, This approach has both advantages and disadvantages, It is not good to judge right or wrong here, but when facing such a horrible "killer bee" on the ground on 149, it is regrettable and regrettable that the heavy casualties caused by the low wearing rate of helmets have to be said. If they had worn helmets instead of military caps like Zhang Xiaobo, the casualties caused by the sting attack of "killer bee" would have been much smaller.来人虽然声势浩大，却只不过是些手持木棒竹竿的山匪而已。第二季审视毒品问题对城市贫民阶层的影响，尤其探讨了以码头工人为代表的蓝领阶层的生存困境，他们中有些人通过帮助走私集团运送毒品和其他违禁品讨生活。同时也讲述了Barksdale团伙于Avon入狱后是如何在Stringer Bell的领导下继续发展。众人便目光炯炯地盯着他，等他说下文。蜀山兀，阿房出的情况绝对不能再说先，水土保持，可持续发展必须从现在就开始，黄河水患要扼杀在摇篮之中。故事紧接上一季结尾：夏威夷州长遭谋杀后，Steve McGarrett成了头号嫌疑人，被临时羁押在监狱里等候出庭受审。Danny突然带着能够洗清他罪名的证据前来探监。与此同时，Kono遭到停职检查的处分，内务调查部派人对她展开全面调查。Terry O'Quinn在本集中扮演McGarrett在海豹突击队受训时的指挥官Joe White；Richard T. Jones扮演新任夏威夷州长Sam Denning；William Sadler再次扮演McGarrett的父亲John McGarrett。