Reborn: Revenge of the Concubine's Daughter - Chapter 250 - Phoenix flowers blossomed

A scientific genius named Thomas Harrier was transmigrated to an imperial prince body after a car accident that took his life. He found out that he is in a world similar to our own with a timeline akin to early twentieth century. The body that he is occupying was the imperial prince of a failing empire who suddenly rose to power after a successful assassination attempt of his father. Unaware that the attack is just the beginning of what is to come. He faces many challenges throughout. Will Thomas Harrier be able to live his second life in peace while running an empire and getting it back to its former glory? Or will he succumb into a conspiracy lurking within the country's borders?

Expect some:

Cold war era techs.

Super battleship with advanced electronics, propulsion, and fire control systems?
Helicopters?
Missiles?
Modern medicines and equipment?
AC-130?
A nuke?
Challenger or Abrams or Leopard?
F-4 Phantom or MIG-21?
Colored TV's.

Everything!!!

PS. Cover not mine, I just found it on google.

Tyler thought he had everything: good grades, a loving girlfriend, and a picture-perfect life. But everything shatters when an anonymous text warns him that his girlfriend, Alexis, is cheating. Dismissing it as a prank at first, Tyler’s world is turned upside down when he catches her in the arms of Logan Carter—the arrogant, untouchable captain of the football team.Heartbroken and humiliated, Tyler finds himself tangled in an unexpected game of cat and mouse with a mysterious texter. But things take a surprising turn when Tyler discovers that Logan was the mysterious texter all along. Fueled by anger, confusion, and a strange attraction he can’t explain, Tyler demands answers—only to receive an unexpected confession and a kiss that changes everything.

“When everyone scorned me because I was merely a woman, I kept convincing myself: ‘Actually, you can give it a try.’” – Fang Feng Sheng

…

There was a famous saying in officialdom: there is no yamen without Shaoxing.

She was the only descendant of the Fang family, the most prominent family of private advisors in Shaoxing.

A calamity broke the Fang family apart. Her father was implicated and put to death, and she cut her way through thistles and thorns to prove her name.

However, walking down this path, she discovered that there were things beyond her imagination.

~ ~

Zong Yue knows that he could marry Fang Feng Sheng because he had blocked all her paths of retreat. But it doesn’t matter—one day, the person will become his, and so will her heart.

- Description from Novelupdates

This book was inspired by My Hero Academia: Adaptation“Who decided being quirkless means you can't be a hero? Those are just rules made by people who never tried to break them.” When a battle-hardened warrior dies in one world and awakens in the body of a quirkless boy in another, the rules of heroism are about to change.Armed with combat experience from a darker realm and an iron will forged in warfare, he sets his sights on U.A. High School - the pinnacle of hero education. But in a society where superpowers are everything, his approach to strength might just shatter the entire system.Behind a gentle smile lies the mind of a warrior. As he builds his power through unconventional means, one thing becomes clear: rules were meant to be broken, and this world's definition of “hero” is about to be rewritten.Sometimes the strongest ability isn't a quirk at all. It's the will to change everything.