Engineers are developing a new surface-to-air weapon.

工程师们正在研发一种新的地对空武器。

They tested the surface-to-air missile in the desert.

他们在沙漠中测试了地对空导弹。

The radar detected an incoming surface-to-air threat.

雷达探测到一个来袭的地对空威胁。

The military installed new surface-to-air missiles at the base.

军方在基地安装了新的地对空导弹。

The surface-to-air defense system was activated during the drill.

演习期间启动了地对空防御系统。

They included 150 anti-tank guided missiles and three surface-to-air missiles.

武器包括150枚反坦克导弹和三枚地对空导弹。

As a result, a friendly surface-to-air missile was mistakenly fired at us.

结果， 自动瞄准的地对空导弹误中了我们。

As a result, a friendly surface - to - air missile was mistakenly fired at us.

结果, 自动瞄准的地对空导弹误中了我们.

The crew of other helicopters reported the downing as a surface-to-air missile strike.

其他直升机乘员汇报这次坠毁是由于地对空导弹的袭击。

But new surveillance video appears to show two surface-to-air missiles hitting the plane.

但新的监控视频显示两枚地对空导弹袭击了飞机。