But in the air, surface missiles, anti-ship missiles and long-range air-to-air missile, also gradually promote the use of turbojet / turbofan engines and combustion ramjet engine.

• 各国对精确制导武器的命中率没有统一的标准,中国对精确制导武器的定义是：采用精确制导技术，直接命中概率在50%25以上的武器。主要包括精确制导导弹、制导炮弹、制导地雷等。