Space Station W3, also known as the Wheel, was a space station located in the Sol system in the 21st century. It was used for many functions, serving as a radio/visual relay for Earth, a stopping point for deep space ships, a research station and an early warning monitor for stellar activity such as meteorite storms. It was armed with an x-ray laser and a force field.

Two Cybermen invaded the station, intending to use it as a beacon for their invasion fleet. The Second Doctor freed the crew from the Cybermen's hypnotic control and destroyed their fleet. (DW: The Wheel in Space)

Known W3 Crew Edit

• Jarvis Bennett
• Enrico Casali
• Chang
• Gemma Corwyn
• Bill Duggan
• Sean Flannigan
• Zoe Heriot
• Elton Laleham
• Tanya Lernov
• Kemel Rudkin
• Leo Ryan
• Armand Vallance