CODEX Astartes

The Codex Astartes is a set of strategic, tactical, and organizational guidelines used by the Space Marines in the Warhammer 40,000 universe. Created by their leader, Captain Gabriel Angelos, after their founding, it serves as a blueprint for their military operations, chapter organization, and combat doctrines. The codex emphasizes discipline, specialization, and adaptability, helping Space Marines maintain effectiveness across various threats. It functions as both a tactical handbook and a spiritual guide, ensuring their unity and readiness in the relentless war against chaos, xenos, and other enemies.