
If you're looking for manga similar to Marginal Operation (Light Novel), you might like these titles.
The story takes place in an era similar to that of ancient Rome in a country called Chronos. It follows a group known as the Temple Mercenaries. In particular, the manhwa is about Ares, Michael and Baroona, three young warriors with mysterious pasts and surpassing skills...
The dog trainer, Al, and the military dog, Luke, who resigned from the army due to a bomb injury, were re- employed at a private military company. A veterinarian who took care of them recommended them to the company. A prototype robot dog BDY-9 was waiting for them. Al and Luke were dispatched to a desert country, still fighting the civil war. Their mission was to “train” BDY-9 so that BDY-9 could fight the battlefield. All BDY-9 could do was “hand” and “sit.” While serving this mission with friends, they were being confused by the robot's unique behavior but started to feel attached to the robot dog. Soon they met Parrill and visited her village in response to her request. However, it was a danger zone where armed forces with snipers and hounds await. In an unaided situation, Al and Luke give orders to BDY-9 to break through the desperation. A soulful story together with a dog in a desert country under civil war!
The Republic of San Magnolia has long been under attack from the neighboring Giadian Empire's army of unmanned drones known as the Legion. After years of painstaking research, the Republic finally developed autonomous drones of their own, turning the one-sided struggle into a war without casualties-or at least, that's what the government claims. In truth, there is no such thing as a bloodless war. Beyond the fortified walls protecting the eighty-five Republic territories lies the "nonexistent" Eighty-Sixth Sector. The young men and women of this forsaken land are branded the Eighty-Six and, stripped of their humanity, pilot the "unmanned" weapons into battle...
In the future, warfare has been revolutionized by the invention of mechanical weapons called “Objects.” These Objects are overwhelmingly powerful, rendering traditional weapons like guns, tanks and fighter jets completely useless. Qwenthur is an un-athletic, but smart soldier who aims to work as an Object mechanic. Stationed at an Alaskan Object base, he meets Milinda, a stoic but beautiful Elite Soldier who pilots her own Object. As they learn to support each other in battle, Qwenthur begins to uncover the grim secret behind the Heavy Objects
About The Hundred Years' War between France and Great Britain, set in the 14th century.
Having becoming one of the “shipgirls” possessed with the powers and memories of the War of the Past, Zuikaku and her elder sister Shoukaku reunite, and through the man known as “The Admiral” comes to terms with the existence of humanity’s enemy–the Abyssal Ships. She resolves to protect this world that is so similar to that of her memories and embarks once more onto the battlefield–and must experience and confront the implications of her own cruel fate.