I got read last of that book earlier this week, and it was ride boys! This halfthousand page thick collection includes 15 short stories that detail futuristic mercenary armored regiment, Hammer's Slammers. Author, David Drake, is veteran of Vietnam war and Hammer's Slammers is based on his own personal experiences of war.
Possible weakness could be abundance of military terminology which can be difficult for civilians to understand. Becouse of this and detailed violence publishers did not at first accept stories to their publications. But then Galaxy magazine took and released couple stories and those got feedback from veterans: "I was there. I did that." From there on started rolling more short stories and novels with strength of 170 ton supertank.
Most of the stories are from viewpoint of ordinary soldiers and low ranked officers. Most of them don't even care why they are fighting. Founder and commander of the regiment, colonel Alois Hammer, and his closest officers are often no more than sidecharacters. Characters are not noble world saving heroes, but mercenaries who do what they are paid for. In between of the stories are details of the universe (Hammerverse), technology and images of the regiment's equipment.
Books of Hammer's Slammers are realistic hard scifi. Cutting them requires diamond drill.
David Drake wrote:The drive fans of other tanks were already roaring when ours began to whine up to speed. The great vehicle shifted greasily around me, then began to turn slowly on its axis. Fourth in line, we maneuvered through the courtyard gate while the draft from our fans lifted flames out of the palace windows. We are the tank lords.