COMDTINST M5300.3A — Coast Guard Officer Specialty Management System Manual

COMDTINST M5300.3A governs the Coast Guard’s Officer Specialty Management System, including its policy, doctrine, practices, and procedures.

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  • Publication number: COMDTINST M5300.3A
  • Title: COAST GUARD OFFICER SPECIALTY MANAGEMENT SYSTEM MANUAL
  • Date: 6/3/2020
  • Proponent: CG PSC (OPM-3)

View COMDTINST M5300.3A on armypubs.army.mil


It defines the framework of officer specialties and subspecialties, their unique Officer Specialty Codes, and the roles responsible for managing the system. It also addresses Officer Specialty Requirements, the AJM/levels model, personnel management uses, forms, distribution, and environmental review.

Applies to: All Coast Guard unit commanders, commanding officers, officers-in-charge, deputy/assistant commandants, and chiefs of headquarters staff elements shall comply with the provisions of this Manual.

Topics covered

  • Officer Specialty Management System
  • Officer specialties and subspecialties
  • Officer Specialty Codes
  • Officer Specialty Requirements
  • AJM/levels model
  • Specialty Managers
  • Officer personnel management decisions

Questions and answers

Who does OSMS apply to?

OSMS applies to commissioned officers and their corresponding officer positions, both active and Reserve. (paragraph 4)

Are Chief Warrant Officers included in OSMS?

Chief Warrant Officers (CWOs) are managed separately, and are not included in OSMS. (paragraph 4)

What happens when an officer fails to maintain specialty requirements?

Likewise, failure to maintain requirements within a specialty can result in an officer losing their OSC. (paragraph 3)

Who provides the requirements for specialties?

Specialty Managers (SM) provide the requirements for their specialties via an Officer Specialty Requirement (OSR), Form CGHQ-5318, or the CGHQ-5320. (paragraph 3)

What is the role of PSC-OPM-3 in OSMS?

PSC-OPM-3 is the Program Manager for OSMS, and manages the assignment and deletion of OSCs from officers’ records. (paragraph 4)

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