This spaceport and attached spaceyard can service, repair, and construct ships up to 30,000 tons (SM +11) internally; as with its larger cousin, other ships – and anything too big to fit inside – dock outside using the external clamps. It is a donut-shaped station that rotates to provide artificial gravity, with a large solar-panel array to provide power.

These stations are usually found as the main station in secondary systems that do not have a class V.

Front Hull System

• [1] Stone Armor (dDR 15).
• [2] Cargo Hold (50,000 tons).
• [3-6] Hangar Bays (30,000 tons capacity each).*

Central Hull System

• [1] Stone Armor (dDR 15).
• [2] Habitat (6,000 bunkrooms).*
• [3] Habitat (1,500 luxury cabins, 3,000 cabins).*
• [4] Habitat (1,500 establishments, 1,500 offices, 500-bed hospital sickbay, and 5,000 tons cargo).*
• [5] Open Space (five acres of farms).*
• [6] Solar Panel Array (provides one Power Point).
• [core] Control Room (C9 computer, comm/sensor 12, and 40 control stations).*

Rear Hull System

• [1] Stone Armor (dDR 15).
• [2] Cargo Hold (50,000 tons).
• [3-6] Hangar Bays (30,000 tons capacity each).*
• [core!] Fabricator ($50M/hour production capacity).*

* 100 workspaces per system. It has spin gravity (1G). Crew consists of 1,300 technicians, 40 control room crew, and about 270 passenger attendants.

The TL 10 version that has been the most commonly constructed for the last 30-40 years is same except the advanced armor materials give dDR 23, the computers are C11 and the comm/sensor is 13.