Tsuki ga Michibiku Isekai Douchuu - Chapter 93: Our home

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.

Greg watched his world come to an end under the hands of the enemies supported by his fellow species. while blaming himself for not starting the game early or not investing into, or for awakening a trash talent he close his eyes and embraced dead but that was not the end of his story as he regressed to ten years prior to the unfortunate event. with knowledge of the future and determination he buys a gaming helmet and plunged into the game- Apocalypse that signalled the start of something more. with his knowledge of the future, his skills that made him shine even with his trashy talent and the awakening of an ex rank talent, 100% Dodge rate that makes attacking him impossible, read Greg's revenge and rise to the top protecting those he cares about while punishing his enemies

The celestial celestial beings who lived for more than 100,000 years were born and reborn in a small monk in a human world.
His motto: “It’s not as good as a medicinal medicine for ten years of hard work.” “Even if you practice a copper-iron bone, it’s not enough for my soldier’s attack.”

- Description from Novelupdates

To pick is to choose. This is a story about choices. Three thousand worlds full of gods and demons, with a daoist scroll in your hand, you are able to control the entire universe…