The Profession of Arms is introduced from the most junior levels. However, its prominence becomes increasingly important from late JPME Level 2 and into Level 3. This is also the time when the Joint Warfare learning area focuses on the core purpose of the Profession of Arms: understanding the nature and changing character of war. It covers the philosophy and theory of the ADF’s employment in the unique role of the defence of Australia. Topics included, but are not limited to: