C2517 The Missiles Became Fewer and Fewer

To intercept the Battleaxe missile, the hardest part was to discover it. After discovering it, it would be easy to intercept it.

How would he discover it? If there was an alarm system, it would be very easy to use an alarm system to discover it. Even if it flew at a low altitude, it could still be detected from the ground waves. However, there was no alarm in Coconut Jujube Country yet