3.1 Research & Development Support 3.9 System Safety Engineering Support 3.17 Supply and Provisioning Support
3.2 Engineering, System Engineering, and Process Engineering Support 3.10 Configuration Management (CM) Support 3.18 Training Support


Modeling, Simulation, Stimulation, and Analysis Support 3.11 Quality Assurance (QA) Support 3.19 In-Service Engineering, Fleet Introduction, Installation, and Checkout Support
3.4 Prototyping, Pre-Production, Model-Making, and Fabrication Support  3.12 Information System (IS) Development, Information Assurance (IA), and Information Technology (IT) Support 3.20 Program Support
3.5 System Design Documentation and Technical Data Support 3.13 Inactivation and Disposal Support 3.21 Functional Administrative Support
3.6 Software Engineering, Development, Programming, and Network Support 3.14 Interoperability, Test, and Evaluation, Trials Support 3.22 Public Affairs and Multimedia Support
3.7 Reliability, Maintainability, and Availability (RM&A) Support 3.15 Measurement Facilities, Range, and Instrumentation Support    
3.8 Human Factors, Performance, and Usability Engineering Support 3.16 Logistics Support