4-18. Subworking groups feed information to the protection working group and incorporate elements from other warfighting functions. Commanders augment the working groups with other unit specialties and unified action partners, depending on the OE and the unit mission. The lead for each working group determines the agenda, meeting frequency, composition, input, and expected output. Ultimately, the output from the working groups helps refine protection priorities, protection running estimates, assessments, EEFI, and the scheme of protection.