SSS Ranked Summoning: I have the Strongest System - Chapter 8 - 0. Magic Appraisal (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.

Pinnacle of martial, mountain shifting and sea filling, catching stars and seizing the moon, reverse the flow of time!

Extremity of the sword, one sword to form the dao, one sword to reach the immortals, one sword to break the laws!

The young Li Fuchen, chanced upon the Golden Talisman which allowed his spirit soul to constantly evolve. In this world where prodigies and experts were everywhere, he used the sword in his hand to ascend to the absolute pinnacle.

The world will decay one day, but my reverence shall be eternal.

- Description from Novelupdates

The world is changing, natural disasters are coming, and the whole people will travel through the doomsday game!

Scary beasts, wild swamps, weird ruins, dangers are everywhere!

Human beings can only rely on shelters to survive and accept rounds of natural disasters!

- Description from novelbuddy

A blizzard had raged for ten days, with temperatures plummeting to below minus fifty degrees Celsius.Yet, that wasn’t the most terrifying part. The impending disasters of rat plague, extreme heat, drought, acid rain, tornadoes, and other severe weather conditions would follow one after another, each one a veritable hell on earth.Gu Pan was reborn seven days before all these calamities began. At this time, her Space was still with her, her husband was still alive, and she needed to hoard resources like crazy.Food, clothing, shelter, transportation, medicine, weapons, electricity, and all other essentials of life—she had to stockpile enough for the next lifetime.What? The ‘friend’ who had betrayed them in the previous life was also reborn? And they had hoarded a warehouse full of supplies, even more than them? No more nonsense, just take it all into her Space.After the apocalypse began, she and her husband kicked off a spree of zero-cost acquisition.In this life, they would take revenge on their enemies and settle all scores. Those who had hurt them would be repaid double.