AntiMagic Academy “The 35th Test Platoon” - Volume 10, Chapter 1 - Kurogane

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.

It was started with a harmless request, “Jessica, clear out a room for Zoey, she'll be moving in with us for the time being.”Jessica's marriage soon ended when that 'guest' climbed up the ladder, from a guest room downstairs, to Jessica's bedroom, and then, her husband's bed.After losing in the fight for her husband's attention and love, Jessica realized it was time to wear back her garment of dignity and respect. She signed the divorce papers and left the country.Two years later, she returned as the heiress to a conglomerate, but her husband was at the airport, waiting to welcome her home.“When did I say I didn't love you, Jessica?” he asked.

[Kill level 4 weirdos (characteristic: silent), you can redeem 3000 system points, or the system can be devoured to extract characteristics! 】Chen Ge listened to the voice in his mind and looked at the wild cat that was killed by his own hands. His expression was a little subtle for a moment.Returning to the community, looking at the friendly security guard, the system prompt sounded in Shen Ge’s mind again——【warn! Found a level 5 weirdness (Characteristics: three heads and six arms), detected that the host’s current strength is definitely no match for him, please flee the scene quickly! 】For a moment, looking at the oranges handed over by the security guard, Shen Ge didn’t know whether he should accept them or not.The next day, Shen Ge went to the supermarket and bought a box of instant noodles and some snacks.[The host sneaked into the mysterious and haunted area of ​​Level 6 and collected a large amount of supplies. His courage was astonishing and he was rewarded with 1,000 system points! 】Shen Ge was about to scan the QR code to pay, but his hands froze in mid-air…

Four years ago, after a night of drunkenness, she had a relationship with a stranger and fled in panic upon waking up. Four years later, she returns with a soft, cute little bun by her side.“Bad uncle, you're not allowed to bully my mommy!”The man looked at the little bun, who was not even tall enough to reach his waist, and gave a charming smile. “Shouldn't you ask your mommy why you look exactly like me?”