AR 351-9 — Inter-service Training {opnavinst 1500.27h; Dafi 36-2657; Mco 1580.7f; Comdtinst 1580.1a}

AR 351-9 governs policies, responsibilities, and functions for Inter-Service training across the military Services.

Search AR 351-9

  • Publication number: AR 351-9
  • Title: INTER-SERVICE TRAINING {OPNAVINST 1500.27H; DAFI 36-2657; MCO 1580.7F; COMDTINST 1580.1A}
  • Date: 01/22/2024
  • Proponent: G-3/5/7
  • Status: ACTIVE

View AR 351-9 on armypubs.army.mil


AR 351-9 describes Inter-Service training, the organization of the Inter-Service Training Review Organization, and Services’ funding responsibilities. It includes requirements for training coordination, course management, resource evaluation, and internal control evaluation.

Topics covered

  • Inter-Service training
  • Inter-Service Training Review Organization
  • Quota training
  • Consolidated and collocated training
  • Services responsibility and funding
  • Training resources
  • Internal control evaluation

Questions and answers

What qualifies as Inter-Service training?

Inter-Service training occurs when one or more military Services train together in a formal environment on individual skills in an institutional setting.

Is all Inter-Service training governed by the ITRO?

All Inter-Service training is not governed by the ITRO and its procedures.

What is the purpose of the ITRO?

The ITRO is a voluntary organization of the military Services established to set policies and procedures for Inter-Service training and improve the effectiveness and efficiency of Service individual skills training consistent with individual Service requirements. (paragraph 7)

How far in advance must a Service notify other Services before deconsolidating training?

Provide other Services with written notification 1 year prior to deconsolidation from training. (paragraph 7)

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