反潜战在美国海军的海上作战中占有十分重要的位置。而P-3“奥利安”(Orion也译作猪户座)则是其反潜战中的重要一环。冷战结束以后,美海军对其海上战略进行了重大调整,将主要作战方式由在海上远洋作战转变为从海上实施联合作战,将主战场由远洋转变为沿海地带,这对美海军反潜作战能力提出了新的挑战,要求反潜装备必须能够在浅水及沿海区域环境噪声强烈,声学条件复杂的情况下对付新一代“安静”型潜艇。 Anti-submarine warfare plays a very important role in the naval operations at sea. The P-3 “Orion ” (Orion also translated as the pig seat) is an important part of its anti-submarine warfare. After the end of the Cold War, the U.S. Navy made major adjustments to its maritime strategy, shifting the main combat mode from offshore operations at sea to joint operations from the sea and transiting the main battlefield from the ocean to the coastal zone, putting forward the anti-submarine combat capability of the U.S. Navy The new challenge requires that the anti-submarine equipment must be able to cope with the new generation of “quiet” submarines in areas with high ambient noise and complex acoustical conditions in shallow and coastal areas.