Tomb Raider King - Chapter 2: You are a Tomb Raider (2)

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.

Born naturally defective but possessed by the spirit of a divine dragon. Inheriting the divine dragon’s will and power, growing scales and magical claws, imperial waters containing the breath of the dragon, travelling through clouds and summoning rain, an invincible physical body. In this world and era, countless men dream of slaying dragons. Li Mu Yang has always lived a hard life.

He is a ger who came from feudal times. His greatest wish is to have a piece of land that belongs to him, marry a hard-working man and have a lovely baby. Live a simple and warm life.

He is a major general of the Federation, cold, ruthless, frightening, aloof. It’s the label given by everyone who knows him.

However, the failure of a mission made the strong and cold him encounters the delicate and gentle him. People of two extreme personalities unexpectedly get along harmoniously.

The world says,

The reason why he is cold is that he gave all his tenderness to his little husband.

Only when his little husband is around him can he become approachable.

- Description from Novelupdates

Ali Avery was a successful young man adored by everyone. But things were not as they were shown to the life. Shunned and betrayed by his peers... He was hiding among happy facades.