This is a "cream mission" - the government of country D requests to help them see if there are armored vehicles hidden in the western mountains. Lin Yue could even see the smoke rising from the rebel camp. Those bumpkins were probably still cooking with firewood.
"Return." He pressed the call button and prepared to put away the camera equipment.
Suddenly, a harsh, intermittent "di-di-di-di-" came from the earphones.
He subconsciously glanced at the Radar Warning Display (RWR). A straight line was facing his six o'clock direction. The symbol was stable and the signal did not flicker.
It's guidance radar lock.
This isn't a fucking anti-aircraft gun, it's a missile.