"The Hammer's Slammers Series" is a collection of military science fiction stories written by author David Drake. The series primarily follows the adventures of a mercenary armored unit known as the Hammer's Slammers, who operate futuristic tanks and engage in various conflicts across different planets. The stories explore themes of warfare, loyalty, and the moral complexities of combat. Set in a richly detailed universe, the series features a mix of action, strategy, and character development. The narratives often highlight the experiences of soldiers and the impact of technology on warfare, making it a notable work within the military science fiction genre.