System Bus Architectural Design:

• Feasibility analyses
• Computing resources to include hardware and OS selection
• Power system to include power generation, storage and conversion
• System supervisory and modes / states
• Plug-n-play
• Internal communications
• Data acquisition
• Actuator control
• Attitude control specification

Communication System Design:

• Ground Segment Architecture
• Communications system budgets: link margins, data throughput, Doppler and performance margins
• Ground station hardware and networking
• Mission command and control
• RF band selection, modulation and encoding
• Space Segment: Antennas, Radio and Encryption
• Hardware selection and qualification program
• DoD, NASA and commercial systems
• Type 1 and commercial encryption requirements