As long as Yan Fei sends the friend-or-foe identification code to the planetary combat aircraft, he can ensure that he won't be attacked by it. Then the super fighter jet will approach the planetary combat aircraft, looking for an opportunity to capture it.
When the super fighter jet dives to a depth of 5000 meters, about to approach the planetary combat aircraft, the sonar system of the planetary combat aircraft detects the super fighter jet. It is seen accelerating, changing from floating stationary in the water to flying quickly at a steep angle upward.
