The United States started the martial operation that starts to Iraq 2003, the United States cost 1.7 trillion dollar, also did not find large-scale kill and wound sexual weapon. The U.S. Army throws 190 thousand army to attend a war, have 4500 people death, 47541 get hurt, cost 490 billion dollar even for allowance disable armyman. American soldier is the army with the top salary on the world undoubtedly, individual equipment also is the world go up best, the equipment cost of an U.S. Army soldier (include night to inspect equipment) reach 26000 dollars. Do on Iraqi battlefield those bring about U.S. Army casualties to exceed 50 thousand? The scale of reason of casualties of the U.S. Army in Iraqi war: Limb gets hurt occupy 54% , the head and cervical get hurt occupy 29% , abdomen gets hurt station 11% , bust gets hurt occupy 6% . The mainest place that the U.S. Army gets hurt is limb, head is mixed cervical, because soldiers put on ballproof garment when be on duty,be. Soldier of the United States in Iraqi war is wounded to hold the proportion that always gets hurt by pop is 8% , be by the proportion that the scale with deadly pop holds number of total be killed in battle 19% . The small arms that causes U.S. Army casualties basically is AK-47 and AKM assault musket. (the gold AK that the U.S. Army captures - 47 assault musket)The U.S. Army is in the majority casualties in Iraqi war is artillery shell, trench mortar is played, rocket, grenade, RPG and simple and easy exploder cause. Among them, the casualties that landmine, dud medicine, RPG and simple and easy exploder cause resides the mainstream. Cause an U.S. Army to at least 3100 people die in all, and at least 31 thousand person gets hurt. RPG rocket launcher is the poor arms a kind of use very effective weapon, this kind of weapon can be used at atttacking group dogface already, also be used at apartment to defend not tall car. Place arms to often use the form that sets hot season, launch attack to the U.S. Army's motorcade. ? Dud medicine also is one of main reasons that cause U.S. Army casualties, when both sides is at war, this kind of ammo is left on battlefield. Do not look down upon these dud medicine, if do not undertake clearing, meeting entail untold troubles. The dud medicine that the U.S. Army comes to gather up undertakes destroy by melting or burning is handled. Returning dogface mine is a kind of when cause U.S. Army casualties common weapon, of the bequeath on Iraqi battlefield turn over dogface thunder, cause a large number of casualties to the U.S. Army not only, and the civilian that also gives place caused harm. Especially this kind contains prefab and splintery landmine, it is battlefield go up very bloodcurdling is diabolical. Simple and easy exploder is one of main reasons that cause U.S. Army death. According to the statistical number of American government, the casualty that simple and easy exploder causes to the U.S. Army on Iraqi battlefield is for scale 40% to 60% . And go up in Afghan battlefield, this proportion is higher, for 50% to 75% . ? In simple and easy exploder especially 120 millimeter trench mortar is played, the simple and easy exploder of artillery shell of 155 millimeter howitzer and might of other tall explosion, caused great casualties to the U.S. Army. Before these great power explosive, even if is to have defended armor car very bad also escape by sheer luck. The open space death that simple and easy exploder causes is occupied always proportional 8% , the proportion that airtight space death holds total death number is 49% . Get hurt number respect, the scale that be atttacked in airtight space by simple and easy exploder and gets hurt occupies total casualties proportional 70% above. (the bold horse of a blast)