The NATO Special Operations Component Command — Afghanistan/Special Operations Joint Task Force — Afghanistan has tasked Special Operations Advisory Groups with the responsibility of advising headquarter elements of the Afghan Special Security Forces. This report identifies best practices for operational-level advising from this special operations advisory mission. The report also identifies recommendations that are intended to address key challenges in operational-level partnering. Findings are presented on the topics of rapport building, the advising engagement, integration, sustainability, pre-deployment training, and continuity of operations.