The OneDefence Capability System Manual (ODCSM) is the central governance document that defines how Defence identifies, develops, acquires, and transitions military capability. It provides the authoritative framework for the Capability Life Cycle (CLC) and sets out the processes, roles, responsibilities, and decision points required to deliver integrated, sustainable, and effective capability outcomes for the Australian Defence Force (ADF).

The ODCSM is used across Defence, government, and industry to ensure that capability development is strategic, evidence‑based, risk‑managed, and aligned with national security objectives.

Purpose of the ODCSM

The ODCSM exists to bring coherence, discipline, and transparency to the complex task of delivering military capability. Its core purposes include:

1. Providing a Standardised Capability Development Framework

The manual defines the end‑to‑end process for capability development, ensuring that all stakeholders follow a consistent approach from initial concept through disposal. This reduces ambiguity, improves coordination, and ensures that capability decisions are defensible and traceable.

2. Ensuring Capability Decisions Are Strategically Aligned

The ODCSM links capability development to:

• Defence strategic guidance

• Government policy

• Force structure priorities

• Joint and enterprise needs

This ensures that capability investments support long‑term national security objectives.

3. Supporting Evidence‑Based Decision‑Making

The manual mandates the use of:

• Cost‑benefit analysis

• Risk assessments

• Operational analysis

• Requirements definition

• Test and evaluation planning

This ensures that capability proposals are robust, justified, and grounded in evidence.

4. Clarifying Roles and Responsibilities

The ODCSM defines the responsibilities of:

• Capability Managers

• Delivery Groups (CASG, CIOG, E&IG)

• Joint Capabilities Group

• Defence Finance

• Government decision bodies (NSC, Ministers)

This clarity reduces duplication and improves accountability.

5. Enabling Integration Across the Capability Life Cycle

The manual ensures that capability development is not treated as a procurement activity alone. It integrates:

• Requirements

• Design

• Acquisition

• Sustainment

• Workforce

• Training

• Infrastructure

• ICT

• Security

• Regulatory compliance

This holistic approach is essential for delivering Integrated Capability.

Scope of the DCSM

The ODCSM covers the full breadth of capability development activities across the Capability Life Cycle. Its scope includes:

1. All Capability Life Cycle Phases

The manual governs:

• Strategy and Concepts

• Risk Mitigation and Requirements Setting

• Acquisition and Sustainment

• In‑Service Operation

• Disposal

It ensures continuity and traceability across all phases.

2. All Capability Streams

The ODCSM applies to the full range of Defence capabilities, including:

• Maritime

• Land

• Air

• Space

• Cyber

• Information and communications technology

• Joint and enabling capabilities

3. All Elements of Integrated Capability

The manual emphasises that capability is more than equipment. It includes:

• Personnel

• Training

• Facilities and infrastructure

• ICT systems

• Organisation

• Doctrine

• Industry support

• Logistics and sustainment

4. Governance and Decision‑Making

The ODCSM defines:

• Gate reviews

• Approval pathways

• Documentation requirements

• Delegations and authorities

• Interactions with government decision bodies

5. Risk, Cost, and Schedule Management

The manual provides guidance on:

• Risk identification and mitigation

• Cost estimation and budgeting

• Schedule planning

• Contingency management

6. Requirements and Test & Evaluation

The ODCSM integrates:

• Needs definition

• Requirements development

• Verification and validation

• Test and evaluation planning

• Operational test readiness

Content Overview

While the structure varies by edition, the ODCSM typically includes the following major components:

1. Introduction and Principles

This section explains:

• The purpose of the Capability Life Cycle

• The principles of integrated capability

• The relationship between strategy, capability, and acquisition

2. Governance Framework

This section defines:

• Decision authorities

• Gate review processes

• Approval pathways (minor, medium, major projects)

• Documentation requirements (e.g., business cases, requirements sets)

3. Capability Life Cycle Processes

The core of the manual describes the processes for each phase:

• Strategy and Concepts: identifying needs, analysing gaps, exploring options

• Risk Mitigation and Requirements Setting: defining requirements, conducting studies, reducing uncertainty

• Acquisition: contracting, design, integration, test and evaluation

• In‑Service: sustainment, upgrades, configuration management

• Disposal: decommissioning, environmental and safety considerations

4. Roles and Responsibilities

This section clarifies the responsibilities of:

• Capability Managers

• Delivery Groups

• Joint Capabilities Group

• Defence Science and Technology Group

• Finance and governance bodies

5. Requirements and Integrated Logistics Support

The manual provides guidance on:

• Requirements development

• Requirements traceability

• Support system design

• Workforce and training needs

• Maintenance and sustainment planning

6. Test, Evaluation, and Certification

This includes:

• T&E planning

• Developmental and operational testing

• Certification and acceptance

• Transition to service

7. Risk, Cost, and Schedule Management

The manual outlines:

• Risk frameworks

• Cost estimation methods

• Schedule management principles

8. Appendices and Supporting Guidance

These often include:

• Templates

• Checklists

• Definitions

• Process maps

• Links to related Defence policies

Why the ODCSM Matters

The One Defence Capability System Manual is essential because it:

• Provides a single, authoritative framework for capability development

• Ensures strategic alignment and government accountability

• Reduces risk through structured, evidence‑based processes

• Supports integration across the capability system

• Improves collaboration between Defence and industry

• Enables consistent, repeatable, and auditable capability outcome

For Defence personnel, industry partners, and government stakeholders, the ODCSM is the backbone of how Australia develops and delivers military capability.

Related edVirtus Courses

You may be interested in the following edVirtus courses:

• Introduction to Defence

• Capability Management—Overview

• Operational Concept Document (OCD) Development Workshop

• Function and Performance Specification (FPS) Development Workshop

• Systems Engineering—Introduction

• Systems Engineering—Advanced

• Requirements Writing

• Project Execution Strategies

• Delivering Capability through Collaborative Contracting

• System Safety for Managers

• System Safety for Safety Specialists

• Introduction to Configuration Management

• Simulation and Projects - Overview