He is two meters and five centimeters tall. Who made him a soldier?

"Mom, I want to join the army."
This is what Lu Qinglong, who is two meters and five meters tall, weighs three hundred kilograms and looks like the Hulk, said.
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"Bring me my ceramic steel armor. I want to give these guys a little firepower shock!"
Holding a 30mm anti-aircraft machine gun and wearing a shoulder-mounted artillery, he has completely transformed into a terrifying killing weapon on the battlefield!
"If the other side doesn't use nuclear bombs, we won't use Lu Qinglong!"