MTL - Age of Elves: God-Level Landing - Chapter 82

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.

Three years ago, Yun Qing Yan fell into the Immortal Realm from the mortal realm. Three thousand years later, he became Divine Emperor Yun who shook the entire Immoral Realm. Breaking through the void and returning back to the mortal realm, Yun Qing Yan discovered that only three years’ time had passed here. “In the past, I did not possess the power to protect the people I hold dear. Now, I want the entire world to grovel at my feet.”

- Description from Novelupdates

[Urban Martial Arts, Passionate Martial World.] He was a super expert who, due to accepting an inheritance, underwent a physical transformation that put his life at risk. To extend his life, the king returned...

In his first life, he was Wu Taro, in the second, Uchiha Taro, and now, Mu Taro, also known as Master Roshi. Having 300 Years of time to use before the beginning of the main story, Mu Taro star his Journey to become the strongest.___________________________________PS1: The author of the book only adapts Dragon ball, Dragon ball z and Battle of Gods.PS2: The author does not watch Dragon Ball SuperPS3: There is no GT.PS4: The real name of Master Roshi was never revealed, so the Author made a original one.