Zhang Yanggang traveled back to 1949 and felt a bit confused.
As a government-sponsored student studying abroad, when the class laughed at him, he could only repair old guns and cannons when he returned to China.
No one knows that he has a complete set of future military industry in his mind, and he has designs that will crush the times.
From bullets to guided missiles, from anti-aircraft guns to vacuum bombs, he transformed an old arsenal into a world-class ordnance base in half a year.
Enemy fighter planes were flying across the airspace, and he took out an air defense weapon that was ten years ahead of him;
When the war was about to break out, he prepared ammunition, biscuits, and cotton-padded clothes in advance, working in three shifts day and night.
The leader personally delegated power: "In three months, you decide everything."
His eyes were calm, but his voice was as deep as steel: "Then let's fight for a prosperous country."