Space Shuttle Main Engines
External Tank
Solid Rocket Boosters
Data Processing Systems
Extravehicular Mobility Unit
Environmental Control and Life Support System
Auxiliary Power Unit/Hydraulics
Electric Power System
Guidance, Navigation and Control
Orbital Maneuvering System
Payload Deployment and Retrieval System
Reaction Control System
Escape Systems
Landing/Deceleration System
Crew Systems - Living, Working in Space