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Babylon 5
Babylon 5 orbits Epsilon III
First appearance	Babylon 5: The Gathering
Last appearance	Babylon 5: The Lost Tales
Fate	Demolished
Affiliation	Earth Alliance
Launched	2256
Decommissioned	2281
References	The Lurker's Guide to B5
General Characteristics
Maximum speed	Stationary
Fighters	Starfuries
Armaments	Particle laser cannon Pulse and plasma cannons
Power	Fusion reactor
Mass	2.5 million tons
Length	Five miles (8 km) [1]

Babylon 5 is a fictional space station and the primary setting in the television series Babylon 5. Its design is a variation of an O'Neill cylinder.

Babylon 5 was designed as the "last, best hope for peace". It was the last of five stations to be built, with its predecessors either being destroyed by terrorists, or, in the case of Babylon 4, vanishing without trace. The station is home to 250,000, including about 100,000 humans and 2,000 EarthForce personnel, and includes areas for business, accommodation and recreation.

Contents 1 History 2 Sectors 2.1 Blue Sector 2.2 Red Sector 2.3 Green Sector 2.4 Yellow Sector 2.5 Grey Sector 2.6 Brown Sector 2.6.1 Downbelow 3 Technological specifications 3.1 Tactical 4 References 5 External links

The last of the Babylon stations, Babylon 5 was constructed ten years after the Earth-Minbari War. Its purpose was to "prevent another war by creating a place where humans and aliens could work out their differences peacefully"^[2] It was a free port for a quarter of a million beings, and was co-funded by the Earth Alliance and Minbari Federation after the crippling financial loss of Babylon 4.

Babylon 5 is organized into six color-coded sectors. The corresponding colors usually appear in hallways.

Blue Sector contains station administration, docking bays, personnel housing, and the Medlabs. Babylon 5 is controlled from Command and Control, also called C&C, which is at the head of the station. At the center of the head of the station is the access hatch that ships enter through (because of its limited size bigger ships have to park outside the station, relying on shuttle and transfer services instead).

The front part of Red Sector provides habitation facilities, shopping, and other leisure facilities. The following section of Red Sector crosses over into the vast interior of the station's habitat cylinder and is restricted to station and diplomatic personnel and those who live and/or work there. This section of Red Sector features "outdoor" recreation facilities, a lake pool, a baseball diamond, and a variety of buildings, including the station commander's office overlooking the artificial landscape.

Green Sector is the Garden, a 12 square mile agricultural facility, providing food and oxygen. This section showcases various alien designs, suggesting Babylon 5 has been host to a previous universal World's Fair and is the sector that contains habitation facilities for the alien ambassadors. Access to Green Sector is restricted to the ambassadors, and authorized guests and personnel.

Yellow Sector is the location of the station's fusion reactor powering Babylon 5. It is located within the Grey Sector.

Grey Sector houses various mechanical devices to support the station's functionality.

Brown Sector is primarily used by the transient population of Babylon 5 for habitation and commerce. It contains the facilities for manufacturing, maintenance, and waste reclamation for the station.

Downbelow, located in brown sector, is a term used in Babylon 5 to refer to the unused sections of the Babylon 5 station, mostly nearest the hull, occupied by its equivalent of the homeless or dispossessed residents, commonly called Lurkers. Downbelow contains the station's slums and brothels. Commerce runs primarily on barter.

As Earth Alliance contractors ran out of money, the Downbelow area was not fully developed, resulting in its utilization by businesses of a disreputable nature.

When people searching for better lives came aboard Babylon 5 and were unable to find it, they would assemble in Downbelow after running low on (or completely out of) money. With no means of getting home, the denizens of Downbelow became a cheap labor force for illegal business operations (Dust trafficking, smuggling, et cetera).

Downbelow is a center of criminal activity on Babylon 5, though by no means is crime confined to that area. It is estimated that Downbelow accounts for nine-tenths of the station's crime. Most inhabitants die in Downbelow unknown and unremembered, trapped on the station for various reasons.

This sector is mostly inhabited by humans, although a percentage of inhabitants include non-human species (Drazi, Brakiri, and pak'ma'ra).

Babylon 5 carried several Starfury squadrons. These are launched vertically, making use of the centrifugal effect caused by the revolving of the station. The station also had its own defensive grid system which was capable of taking on a Primus class battlecruiser and destroying it.^[3]

As part of President Clark's sweeping militarization program, Babylon 5's defense grid was later fully upgraded to even more powerful specifications, ironically, not long before the outbreak of the Earth Alliance Civil War in which Babylon 5 sided against Clark. Babylon 5's upgraded weapons systems were capable of completely destroying an Omega-class Destroyer.

• Babylon 5 at B5Tech.
• Babylon 5 at BabTech