Chen Mo traveled back to 1950 and awakened the "National Destiny Technology System".
He thought he was going to build aircraft and tanks, but the system popped up a prompt:
"The presence of [Alien Civilization Observation Post] in this plane has been detected, and it is recommended to prioritize the construction of [Planetary Level Defense Platform]."
When a US military reconnaissance plane flew over North Korea, a floating warship suddenly appeared on the radar screen.
The five-star red flag flashed on the hull, as well as a line of small words: "Dongfeng Space Administration, Earth Security Booth."
