MCO 5351.1 A governs the Operational Stress Control and Readiness (OSCAR) Program and the prevention, identification, and management of stress reactions.
View MCO 5351.1 A on armypubs.army.mil
It defines OSCAR Teams, their role in supporting commanders and Marines, and the program’s connection to readiness, resilience, and long-term well-being. It requires active programs, minimum team composition, standardized training, and use of the Marine Corps Training Information Management System.
Applies to: OSCAR Team requirements are relevant for all commands and units across the Marine Corps.
In the Marine Corps, Combat Operational Stress Control (COSC) is operationalized through the OSCAR Program and must be implemented in accordance with this Order and procedures contained in reference (c). (paragraph 1)
OSCAR Teams comprised of specially trained Marines (known as OSCAR Marines), Extenders, and Mental Health Professionals (MHP) assist commanders and Marine leaders in preventing, identifying, and managing the impacts of stress to maintain warfighting capability. (paragraph 3)
Commanders at all levels of leadership must fully execute and sustain an active OSCAR Program in units and areas of responsibility (AOR), regardless of unique structure, size, geographic location, or other variances. (paragraph 4)
Each command must train, identify, designate, and maintain an OSCAR Team that consists of at least 15 percent of the command. (paragraph 1)
All OSCAR training must be conducted with fidelity and standardization utilizing designated resources and materials provided by Manpower and Reserve Affairs (M&RA) Marine and Family Programs Division (MF) and in accordance with references (b) and (c). (paragraph 2)