Triple

Target class: Space Shuttle system component
Context triple: [Space Shuttle stack, instanceOf, Space Shuttle system component]

• A. Space Shuttle subsystem chosen
  A Space Shuttle subsystem is a distinct functional component or collection of components within the Space Shuttle that performs a specific role—such as propulsion, life support, guidance, or power management—to enable safe and effective mission operations.
• B. Space Shuttle payload module
  A Space Shuttle payload module is a specialized, modular structure designed to house, support, and interface scientific instruments, cargo, or satellites within the Shuttle’s payload bay for deployment or on-orbit operations.
• C. space shuttle orbiter
  A space shuttle orbiter is a reusable winged spacecraft designed to carry crew and cargo to and from low Earth orbit, operate as an orbital laboratory or platform, and then re-enter the atmosphere and land like an airplane.
• D. modular spacecraft
  A modular spacecraft is a reconfigurable space vehicle composed of interchangeable, standardized modules that can be assembled, upgraded, or replaced to support different missions and functions.
• E. International Space Station truss segment
  An International Space Station truss segment is a structural module that forms part of the station’s backbone, supporting solar arrays, radiators, and utilities while providing attachment points and routing for power, data, and thermal control systems.
• F. None of above.