What is the primary focus of ADP 4-0?

The primary focus of ADP 4-0 is sustainment, which encompasses all activities necessary to maintain and prolong operations in support of military objectives. Sustainment is crucial for ensuring that Army forces are able to maintain their readiness and combat capability over time. This involves a comprehensive approach that integrates various functions such as logistics, personnel services, health services, and other critical support efforts.

By emphasizing sustainment, ADP 4-0 highlights the need for systematic planning and efficient execution of resources, ensuring that soldiers have the necessary supplies, equipment, and support to perform their missions effectively. This foundational aspect of operational readiness allows the Army to sustain its capabilities through various phases of operations, making it a vital component of military strategy.