COMDTINST 1520.3 — Apprentice Prevention Officer (apo) Program

COMDTINST 1520.3 governs administration of the Coast Guard Apprentice Prevention Officer program and first-tour Prevention officer training.

Search COMDTINST 1520.3

  • Publication number: COMDTINST 1520.3
  • Title: APPRENTICE PREVENTION OFFICER (APO) PROGRAM
  • Date: 8/19/2025
  • Proponent: CG-5P

View COMDTINST 1520.3 on armypubs.army.mil


It establishes the APO program, replacing AMI training expectations for first-tour Prevention officers. It sets assignment, experience, training, rotation, oversight, and mentorship requirements across Prevention missions.

Applies to: All Coast Guard unit commanders, commanding officers, officers-in-charge, deputy/assistant commandants, and chiefs of headquarter directorates must comply with the policies contained.

Topics covered

  • Apprentice Prevention Officer program
  • Prevention officer training
  • APO assignments
  • APO rotation timelines
  • Prevention mission experience
  • Officer Specialty Management System designation

Questions and answers

How long are APO assignments to designated feeder ports?

APO assignments to designated feeder ports are four years in length.

What happens when APO orders fall outside typical transfer windows?

Officers receiving orders outside of typical transfer windows will receive 3.5-year orders.

What training must APOs complete?

APOs must complete the minimum experience and training expectations across the Prevention missions to successfully fulfil the APO requirements.

Is an APO tour required for new Prevention Officer accessions?

Completion of an APO tour is required for new accessions into a Prevention Officer Career and is the primary path for obtaining the OAP-10 Officer Specialty Management System designation.

What standards apply to officers assigned as AMIs before Assignment Year 2025?

Officers reporting prior to Assignment Year 2025 and were assigned as AMIs will continue to meet the qualification and performance standards of the AMI Program.

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