MTL - Martial Mythology - Chapter 1546 control failure

It was a life without regret. My parents were in good health, and I wasn’t homey enough for me to combine my studies and part-time jobs.

Mark is a genius military weapon designer who was kidnapped by a mafia gang after refusing to work for them.
They forced him to design unique weapons for five years, until one day he successfully escaped only to get shot by his trusted comrades.
*Ding! You awakened a weapon system.
When he opened his eyes, he was in a different body and in a different world.
"You want to kill a wild boar without being detected? Forget about bow and arrow. Here, I present you this sniper rifle."
"You want to kill a horde of goblins from the sky? Forget about those flying carpets and brooms. Here, I present you the fighter jet."
"You want to kill a dragon? Forget about taking the help of the S-class adventure team. Here, I present you a nuclear bomb."
Join Mark Spencer/ Lu Zhen as he brings the whole world to its knees with the help of his weapon system.
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Note: Author isn't born in an English-speaking nation and has no editor either. So, please be understanding if there are any grammatical errors.
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【Transmigration+Entertainment Circle Cute Baby+Godly Wealth System+1V1 Double Cleanliness】Yan Yueqing transmigrated into a book, becoming a cannon fodder eighteenth-tier celebrity in a certain kid variety show novel.The female lead shot to fame through the kid variety show, while she, due to her “lick dog” persona, attracted endless cyberbullying.After being blackballed to the point of quitting the industry and jumping into the sea, the female lead not only lived in her house, spent her money, but also used her child to make a counterattack comeback!Yan Yueqing: Thanks for the invite! I'll raise my own son! The female lead can enjoy her own life, just don't get involved with me!A lick dog persona, huh? System: Here's fifty billion, let them witness what it means to lick to the extreme and become wild!Cyberbullying, huh? After the kid variety show aired, fans all over the network started calling her mom!Inside a luxury villa, a little stone-faced boy watched the live broadcast of the wildly popular Yan Yueqing and said indifferently, “Dad, my mom's standards in the future should be based on her.”A certain business tycoon held back his laughter, “That's your biological mom.”Little stone face: ???【ps: A system feel-good story devoid of logic, some plot points allude to reality, and all the tags have been placed. If you mind, don't click.】

Long Fei, a cross-timer and doujin, is an otaku who traveled to another world. In the original world, he was an otaku fan of Gundam and military science fiction.

He died in an accident and was reincarnated into another world. The Gundam works he had read before his death and the techniques in various military novels could be brought to another world.

How would he use the Gundam that Long Fei created? What waves can be caused in this different world?