"Oh, I'm really old."
Detlin looked at the rocket frame that had taken shape in just a few days in front of him, and at the talents from various countries gathered in the space base, and could not help but sigh deeply.
The world is changing so fast.
When did the four of them become so close to each other, sharing their skills almost without reservation and studying aerospace technology together?
The top four countries on Earth's national strength ladder are now gathered together to work together sincerely. This is undoubtedly the most powerful project in scientific research on the entire Earth.
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