Defenders

Published in 1953, 'Defenders' by Philip K. Dick is a science fiction novella set in a post-apocalyptic world devastated by nuclear war. Humanity has retreated underground to survive, relying on robots called Ledeys to fight the war on the surface, where radiation makes life impossible. The story explores themes of war, technology, and the human condition as the Ledeys communicate with the generals, raising questions about the future of humanity and the nature of conflict.