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Combat and Operational Stress Control Personnel (COSC Personnel)

Date of Publication



COSC personnel. Active and Reserve Component mental health professionals or other personnel including enlisted specialists and administrative support personnel who are trained in COSC principles, including combat and operational stress first aid and application of principles to enhance combat effectiveness. Senior experienced COSC personnel serve as advisors to line commanders on leadership, communication, unit cohesion, morale, and training factors that prevent or minimize combat and operational stress reactions (COSRs).

Source of Definition

DoD Instruction 6490.05: Maintenance of Psychological Health in Military Operations

Related Glossary Terms

Combat and Operational Stress Control | Combat and Operational Stress Control Consultant | Combat and Operational Stress Reactions

Last Updated: December 05, 2018

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