AntiMagic Academy “The 35th Test Platoon” - Volume 9, Chapter 5 - Alchemist, Assault

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.

“It’s finally here,” said the man with the sword in an echoing whisper.

“The Tower of Choice, the last 100 floors!” the band of five exclaimed in unison.

Angelica came down from the altar with a dull look, seemingly annoying.

Then we looked around.

“I tell you once again, but you’ve had a lot of trouble in the meantime. I couldn’t have climbed to the 100th floor alone without you.”

Thud!

One by one, they fall to the floor.

Angelica’s dagger pierced my neck, and I felt a darkening in front of my eyes with a tumultuous rage. My awareness faded, from my senses, from everything else. After that, everything was eroded by profound darkness.

This story tells the life of two people, a noble only in name and an older wife from the army, married through a tentative agreement. In the bone-chilling cold, they spend their time hunting, gutting, and cooking by the fireplace. Their daily life passes peacefully. This is the warm love story recounting their daily lives.

In her previous life, the woman that her husband cheated on dug out her beautiful eyes, told her that her child was not her husband’s and then tortured her to death. Her six year old son, Tiantian, was harmed by the adulterer while her parents were brutally murdered…

Hua Qiyue woke up again and found out that she was now in the body of a famous general’s daughter, who shared the same first name as her. However, she discovered that the body was a useless one as her Qi veins were blocked! Since the heaven did give her another chance of life, she promised herself to destroy the life of her cheating husband, torture the home wrecker, seek revenge and save her son!

By accident, she discovered a handsome devil inside her jade gourd and was forced to acknowledge him as her master. What troubled her more was that her first appearance in the public caused her to be surrounded by numerous handsome men such as the cool and mysterious Prince Nan, her cruel but strong master Tianpi, and the kind and graceful Medical Saint…

Tianyuan continent was the continent of Qi Art and Spirit Summoning Art… Watch how Hua Qiyue master the two Arts, defeat her rivals and solve one mystery after another…

- Description from Novelupdates