It was an enormous, science-fiction-looking engine, a disc-shaped, cylindrical structure devoid of any traditional exhaust nozzle. If not for the text inscribed upon it, no one would have ever associated it with an engine.
Inscribed clearly in both Chinese and English were the words: "10-Ton Hall Thruster Concept Model."
Whether they were industry experts or laymen, everyone who saw those words felt a bit bewildered.
Chapter 577