The Service Spectrum consists of six Service Categories s (SERCATs) relevant to ADF personnel and three Service Options (SERVOPs):
• SERCAT 7 Permanent member rendering full-time service
• SERCAT 6 Permanent member rendering a pattern of service other than full-time
• SERCAT 5 Reserve member who provides a contribution to capability across financial years and has security of tenure for the duration of their approved commitment to serve
• SERCAT 4 Reserve member who provides a contingent capability at short notice, with their notice to move defined by their Service
• SERCAT 3 Reserve member who provides a contribution to capability by indicating their availability to serve, or are rendering service to meet a specified task within a financial year
• SERCAT 2 Reserve member who does not render service but may be ‘called out’
• SERVOP C are SERCAT 3, 4 or 5 members who are undertaking a period of Continuous Full-time Service (CFTS)
• SERVOP D are SERCAT 5 or 6 members who are rendering service to Defence and working for a civilian employer under a shared dual employment arrangement
• SERVOP G are members of the permanent or Reserve Force rendering full-time service in the ADF Gap Year program. Note: SERVOP G is not available to current or ex-serving members of the ADF
As a permanent member you can transfer to one of four Reserve SERCATs, and as a Reserve member you can transfer to alternate Reserve SERCATs more aligned with your post-transition life. And if you decide, after your transition, that you want to continue your ADF career, you can transfer from Reserve service back to full-time permanent service.