China Long March 2D Rocket Successfully Completes Grid Fin Controlled Re-entry FriendsofNASA.org: This is a key milestone for producing reusable rockets in China. A new grid fin landing zone control system carried by China's Long March 2D (two-stage orbital) rocket for satellite launches has successfully completed a series of actions, such as unlocking, unfolding, and controlling commands during the re-entry and return phase of the rocket's first stage, once again achieving precise landing zone

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