[HIGHLIGHTS] The "behind-the-scenes" astronauts on the Tongguling Ridge in Wenchang, Hainan: willing to be the last barrier to guard the flight of rockets

Located at the easternmost tip of Hainan Island, about eight kilometers away from the launch tower of Wenchang Cosmodrome, the Tongguling measurement and control point is mainly responsible for tracking and measuring information of the rocket launch start section. Because of its unique geographical location and important tracking and measurement role, it is known as the "first stick of the sea and sky" Lin Menghan serves as the equipment monitoring operator of the security control team, and is responsible for monitoring the operation status of the whole set of equipment.