Description:

Internal Maintenance Conduit

Area:

Spacecraft Section

Interior:

- Vertical Tubes
- Horizontal Tubes
- Junction Service Rooms

Miscellaneous:

- Used to provide crew access to various ship's systems
- Also used for moving around the ship if turbolifts were not functional
- Maneuvered them by either climbing a ladder or crawling
- Doors within the Jefferies tubes could be sealed for safety or security reasons