MCO 5216.21 — Joint Actions Processing

MCO 5216.21 governs Marine Corps policies and procedures for processing joint actions and coordinating Service positions.

Search MCO 5216.21

  • Publication number: MCO 5216.21
  • Title: JOINT ACTIONS PROCESSING
  • Date: 6 May 2021
  • Proponent: 05000 General Admin & Management
  • Status: New

View MCO 5216.21 on armypubs.army.mil


It covers joint action receipt, coordination, response development, correspondence formats, and processing systems. It also establishes requirements for Marine Corps participation in Joint Chiefs of Staff, Operations Deputies, and Deputy Operations Deputies meetings.

Applies to: This Order is applicable to the Marine Corps Total Force.

Topics covered

  • Joint action processing
  • Service position coordination
  • Joint Staff coordination levels
  • Marine Corps response formats
  • Joint Staff Action Processing Form-136
  • Tank meeting coordination

Questions and answers

Who receives Marine Corps joint actions first?

The JACO will initially receive all joint actions. (paragraph 2-1)

What does preliminary coordination establish as a Marine Corps position?

Preliminary coordination does not constitute a USMC position. (paragraph 2)

What does final coordination provide?

Final coordination is normally accomplished by a Marine Corps Service Planner and provides formal concurrence or nonconcurrence. (paragraph 2)

What approval is required before responses are submitted to the Joint Staff?

Responses require Marine Corps Service Planner's approval prior to submission to the Joint Staff. (paragraph 6)

What form is required for Service action to take place?

The JSAP Form-136 is the formal tasking form from the Joint Staff and is required for Service action to take place. (paragraph 8)

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