Final answer:
ADRP 3-0, Unified Land Operations, covers the war fighting functions.
Step-by-step explanation:
The Army Doctrine Reference Publication (ADRP) that covers the war fighting functions is ADRP 3-0, Unified Land Operations.
ADRP 3-0 provides a comprehensive guide to the fundamental principles of war and the war fighting functions that are critical for successful military operations. The war fighting functions outlined in ADRP 3-0 include command and control, movement and maneuver, intelligence, fires, sustainment, and protection. Each war fighting function is essential for an effective and coordinated military operation.