The Godsfall Chronicles - Book 7, Chapter 83 - Extermination

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.

In Dracoria, a world dominated by dragons, eighteen year old Zephyr Valorian is dismissed as the lowest of the low with his F-rank status. On his eighteenth birthday, Zephyr's life takes a dramatic turn as he awakens to an SSS-rank dragon taming ability, a power believed to be lost to legend.This revelation is accompanied by the discovery of a mystical pink orb, from which hatches Emberlyn, a rare spectral dragon with immense untapped potential. As they grow together, Zephyr and Emberlyn draw the gaze of both allies and enemies within the magical community.Thrust into the intricate politics of the Tamer's Council and a challenging academy, Zephyr unravels secrets of his lineage that tie his family to the very origins of dragon taming. Facing threats and political intrigue, he learns to master his formidable powers.SSS-Rank Dragon Tamer: Unleashed is a captivating tale of a young man's rise from obscurity, fraught with danger, betrayal, and the forging of unbreakable bonds that will determine the fate of their world.

In the heart of the Azure Continent lies a legendary establishment known as Origin Mall.This extraordinary store offers goods beyond imagination: a sip of its cola can instantly replenish one's vitality; its spicy snacks grant the strength to overcome powerful foes; the games it offers can accelerate cultivation progress; and its novels impart profound techniques and insights.Origin Mall boasts a vast array of offerings, catering to leisure, entertainment, dining, and training needs alike.However, there’s one rule that all visitors must remember: never cause trouble in the store. The owner, though unassuming, is unimaginably powerful.

In the apocalypse, Bai Junjun and her arch-enemy wiped each other out fighting over resources.When she opened her eyes again, she unexpectedly found herself in ancient times.The apocalypse's big shot had turned into a refugee fleeing famine.War, famine, plague, bandits... dangers lurked everywhere.Fortunately, her Special Ability had followed her.The Wood-series Ability was incredibly useful in fleeing war and famine.Facing famine, a flick of her fingers made food grow wildly.Facing plague, by casting a Healing Technique, she became immune to all diseases.Facing bandits... as long as... as long as she aligned with the strongest Seven-Person Team, who would dare to attack?There was just one problem—the leader of the Seven-Person Team was her ex-fiancé, who was one foot in the grave. That was a bit awkward.They used each other for their mutual benefit,She provided food, and he ensured her safety.But... the ex-fiancé was a bit of a glutton, wasn't he?Until an accidental intimate encounter,Bai Junjun suddenly saw a vast Space.Wait a minute!The food that she had grown with her Special Ability... was it all in here?This guy actually had a Space!...They broke off the engagement at the height of prosperity, and they reunited amidst chaos.When both the male and female lead have changed their hearts...Two max-level bosses meet on a narrow path in ancient times, eventually joining forces in a story of internal spiraling competition.