MTL - Bourne: Command and Conquer - Chapter 823 , show off

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.

Yan Fei ordered a small drone online, never expecting that the drone would suddenly become his avatar.Amazing, right? But what’s even more incredible is that this drone avatar can actually upgrade, into a drone fighter jet, a heavy combat jet, a stealth bomber……Are these powerful combat units really my avatars? Do they really expect me to take on the entire world?Yan Fei is utterly bewildered!

Above the Great Wilderness, there are many sects, and a hundred schools are in full bloom. Not only the three clans of humans, demons and monsters, but also the four unifications of Buddhism, Demons, Taoism and Confucianism.

Ordinary kid Liang Yan, because of a great change in a heavenly bead, embarked on a turbulent fairy path. Since then, he has experienced ups and downs for several times.

Qingshan flute Ren Pingsheng, a fairy in wine with a gourd and sword!

- Description from novelbuddy

Once upon a time, an Alchemist Grandmaster from the World of Immortals accidentally took possession of a playboy, who hailed from a rich and powerful family, and became a student in the middle of his midterms.

By the means of a miraculous immortal technique, he blended in and mingled amongst the femme fatales’ group to dominate the city! The nature of this novel’s origin is shamelessness to the core; having no sense of shame is just a basic foundation, but if the most shameless isn’t set yet, then become it!

- Description from Novelupdates