The authority that combatant commanders may exercise over assigned Reserve Component forces when not on active duty or when on active duty for training. As a matter of Department of Defense policy, this authority includes: a. Providing guidance to Service component commanders on operational requirements and priorities to be addressed in Military Department training and readiness programs; b. Commenting on Service component program recommendations and budget requests; c. Coordinating and approving participation by assigned Reserve Component forces in joint exercises and other joint training when on active duty for training or performing inactive duty for training; d. Obtaining and reviewing readiness and inspection reports on assigned Reserve Component forces; and e. Coordinating and reviewing mobilization plans (including post-mobilization training activities and deployability validation procedures) developed for assigned Reserve Component forces.