2-48. All commanders apportion combat power and dedicate assets to protection tasks and systems based on an analysis of the OE, the likelihood of threat action, and the relative value of friendly resources and populations. Based on their assessments, joint force commanders may designate the Army to provide a joint security coordinator to be responsible for designated joint security areas. Although all resources have value, the mission variables of METT-TC make some resources, assets, or locations more essential to successful mission accomplishment from enemy or adversary and friendly perspectives. Commanders rely on the risk management process and other specific assessment methods to facilitate decision making, issue guidance, and allocate resources. Criticality, vulnerability, and recoverability are some of the most significant considerations in determining protection priorities that become the subject of commander guidance and the focus of area security. Area security often focuses on the following activities: