Deep Space 9

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Station Deep Space 9
Deep Space 9.jpg
Location: Bajoran Sector, Alpha Quadrant
Affiliation: Bajoran Militia / Federation Starfleet
Starfleet Commission Date: Stardate 46421
Current Status: Active

Notice: This sim takes place apart from the regular ST:AC continuity and is set in the year 2384.


Recent History

After the end of the Dominion War and the disappearance of Captain Benjamin Sisko, command of Deep Space 9 was passed to the longtime First Officer, and occassional acting Commander, Colonel Kira Nerys by Admiral William Ross, despite the objections of some members of Starfleet Command that the station should be commanded by a Starfleet officer and not an allied military officer.

When Bajor was officially granted Federation membership later that year, Colonel Kira was granted her second Starfleet commission -- that of Captain. Captain Kira remained in command of Deep Space 9 for a few years until July of 2379, when she left Starfleet to join the Bajoran religious group. First Officer Commander Ryan Kent was placed in the command of Deep Space 9 on a permanent basis after a three month interim period until a joint decision was met by Starfleet Command and the Bajoran Government.

Primary Specifications

Station Configuration: Command Installation and Starship Supply

Station Dimensions:


  • Diameter: 1,451 meters
  • Height: 969 meters (160 levels)

Central Core

  • Diameter: 290 meters
  • Height: 368 meters (52 levels)

Habitat Ring

  • Diameter: 600 meters
  • Height: 20 meters (8 Levels)

Docking Pylons:

  • Height: 460 meters (85 levels)

Crew Compliment:

  • Starfleet Officers:
  • Starfleet Enlisted:
  • Civilians:
  • Maximum Life Support Capability: 15,000

Power Systems: Six Cardassian-designed fusion reactors, augmented with Federation technology

Tactical Systems:

Offensive Systems:

  • Phaser Systems
    • 48 phaser arrays (rotary mounts)
    • 36 phaser emitters (stationary mounts)
    • 6 phaser emitters (sliding mounts)
  • Torpedo Systems
    • 18 Type-5 Pulse-Fire Torpedo Launchers
    • 26 Type-3 Burst Fire MiniTorpedo Launchers
      • 4,000 Photon Torpedoes
      • 1,500 Quantum Torpedoes

Defensive Systems:

  • Primary Shielding: Auto-Adaptive and Regenerative Shield Grid
  • Secondary Shielding: High capacity Shield Grid
  • Hull Configuration: Kelindide inner and outer layer hull
  • Low level Structural Integrity Field

Docking Facilities:

  • 12 Docking Ring ports
  • 9 Pylon docking ports
  • 6 Landing Pads

Operations Center

Part of DS9's Ops Center showing the Starboard Turbolift, Transporter, Commanding Officer's Office
An above view of the Ops Center, detailing the Science Station, Operations Table and the Chief of Operation's console
The Station's Operations Module. Also pictured is the Captain's Office Viewport, Main Deflector Array and the viewports of the Upper Promenade
A view of the Cardassian gas-suspension viewscreen in Ops showing the Bajoran Wormhole

The heart and soul of Deep Space 9 is the stations Operations center, which is a circular area located at the top of the main structure, with overhead windows giving a view of the stars and ships docked at the upper docking pylons. It contains, among other things, the commander's office, two turbolifts, a transporter, and a viewscreen. The design is such that all present must look up to the commander's office with respect, standard Cardassian architecture.

The centralized nature of the operations center also means that, unlike most starships, in which primary controls are accessible from main engineering if desired, the operations center is the only location with such access. This makes it a prime target for hostile forces, particularly in Terok Nor's case, as the risk of a Bajoran revolt was significant. In order to minimize such risks, Ops can be sealed off from the rest of the station if necessary.

Many functions that would otherwise be performed in main engineering can be performed in a submerged systems hardware access area, named "The Pit" by the original Deep Space 9 staff in 2369, located directly below the viewscreen. Among other things, this allows the commander to keep from showing signs of weakness, because crucial tasks can be performed out of sight during hails.

Ops also has a replicator and its own transporter pad, said installed by Gul Dukat so he could beam directly to and from Ops from his own quarters as a security precaution.

Science Station

The present Science station had previously been assigned the functions of labor monitoring and ore processing under the Cardassian authority. The station supported two system operators, each provided with multiple banks of display screens and computer capabilities second only to the ops computer pit. Several rounds of reconfiguration work on this station have resulted in a first-class detection and analysis suite for all Deep Space 9 operational and experimental science tasks.

The science station is overseen by the senior science officer. Departmental staff will maintain continuous twenty-six hour monitoring of all ongoing experiments throughout the station, compile all internal and external sensor data, and assist in the implementation of all known and untested high-energy procedures during crisis situations. Incidentally, human officers report needing an average of two weeks adaptation interval to synchronize their circadian pattern period. At the ops level, system linage is maintenance between the science station and engineering station for collaborative and back-up operations. The science station is hardwired into the Cardassian CPG computer head-end and the existing Cardassian computer cores for all data processing requirements. Sensor data is provided by 2,355 dedicated ODN lines from the sensor preprocessors to the computer cores. In some cases, sensor data is routed directly to the science station processors and immediate isolinear rod storage banks. The science station is also capable of directly commanding any of the Deep Space 9 particle/field generators for experimental or defensive applications.

Engineering Station

The Engineering station remains basically as it was during the occupation of Bajor, though the computational and control functions have been modified to allow it work with the Starfleet computer upgrades. As with the science station, the engineering station can be attended by two departmental staff members. The two console sections are equipped with numerous display screens for maximum flexibility in monitoring the engineering systems status and for inputting command procedures. Every station-wide energy, mechanical and optronic system at least in part falls under the jurisdiction of the chief of operations.

The Engineering console is destroyed by Major Kira in 2371 to prevent a Cardassian program from releasing a poison into the life support systems.

The engineering station is connected to its primary systems by 1,879 dedicated ODN lines, with 547 backup lines to life support and defensive weapons. The engineering stations subprocessor is hardwired to the sub-deck computer "pit", which is the principal routing node for most control and sensor data. In the event of a disruption of EPS plasma to the control consoles, a backup capacitance bank set into the subdecking will provide emergency power for 6.7 minutes to allow for most critical systems to be secured, including the fusion reactors. Aside from the system operations, all orders for hardware periodic maintenance (PM) and repairs originate from this station.

The primary systems monitored and controlled by this station are as follows:

  • Fusion Power Generation. All aspects of energy production utilizing the six fusion reactors and deuterium fuel storage and transfer are directly controlled.
  • Electroplasma system. Power distribution throughout the EPS network is directly controlled.
  • Computer cores and ODN network. The optronic system health of all Cardassian and Starfleet computer hardware and optical data network is monitored.
  • Defensive weapons. All station-mounted large phasers, photon and quantum torpedoes, tractor beams and shield emitters are directly controlled and maintained in concert with station security and tactical operations.
  • Communications. All high-energy subspace com equipment is directly controlled and maintained.
  • Life Support / Environmental Control. Atmospheric gas constituents, temperature, pressure, humidity and potable liquid distribution are directly controlled and maintained.

Other systems managed by the Engineering station include the transporters, specialized ordnance, waste management devices, replicators, docking ports and gravity generators. The entire Deep Space 9 physical structure is also maintained by engineering department personnel. The primary structural systems are the main skeletal framing and hull plating, and engineering monitors both for stress and radiation damage and performs all necessary repairs. All load cell and strain gauge readings are analyzed and displaced, along with nondestructive testing results from fixed microscanners and tricorder sweeps.

Operations Table

Deep Space 9's first command crew at the Operations Table in 2371.

The primary command station Deep Space 9 is located the center of Ops at the main situation-monitoring table, or the Ops table. Unlike a typical Starfleet starship with a Captain's Chair and seating for other officers, Deep Space 9 maintains no comparable central location for commanding the station, other than the upper level officers. Orders are given by the station commander or other ranking officers from most anywhere in Ops, under a variety of operational conditions.

The Operations Table is ideally located for the display of key station data and for communication by way of the overhead Cardassian-designed gas-suspension screen. Seating is available for all senior officers. During a typical duty shift, Ops will be populated with the core echelon, including station commander, Bajoran military liaison officer, science officer and the chief of operations. The station's security chief and chief medical officer are normally located in their respective offices off of the Promenade, but are required in Ops for briefings, discussions and critical events. Adjacent to the table are a series of auxiliary Cardassian displays configured to present data and communications.

The default table display screen presents the real-time events surrounding the station. Display mode changes can be made at any time and can include any required graphical information, from interior sensor tracking to defensive weapon readiness to docked ship cargo operations. The real-time external plot affords the senior staff with a picture of the strategic environment, proven especially valuable in the recent wartime actions. Starfleet and threat-force movements have been tracked, using all available intelligence and sensor assets. The display trains the original Terok Nor multi-layer screen and sub processes and is connected to the computer core through the Starfleet coprocessor and peripherals group (CPG), which drives the standard Starfleet visual interface. A series of fifteen primary and three backup optronic translation buffers have been built into the table to adapt it to Federation data protocols.

Commander's Office

The Commander's Office has been the domain of two Starfleet Captains, one Bajoran Militia officer and presently Captain Ryan Kent in its Federation service.

The station commanders office is currently occupied by Captain Ryan Kent, and before him, Bajoran Colonel -- and later Starfleet Captain -- Kira Nerys and Captain Benjamin Sisko. During the Bajor Occupation, the office was the province of Gul Dukat of the Cardassian Military. In his function as the office in charge of the Occupation and the head of the uridium mining operation, Dukat towered over his underlings from a raised platform. The commander's office has been studied by the various Starfleet directorates involved in the station rebuilding, as well as a handful of comparative ergonomicalists, cultural anthropologists, psychologists, and neural biologists. The shapes, distances between points, and proportions of objects to spaces have led some to believe that the Cardassians, and Dukat in particular, considered the divisions of areas and arrangements of structures to be of major psychological or even mystical importance. For example, a continuing topic of debate centers on the reason Ops and the Commander's window are aligned on a vector that at seems to relate to no other symmetrical division, 30 degrees away from the ops-pylon 3 centerline and 30 degrees away from the ops-pylon 1 centerline. The most plausible explanation involves the mechanics of Terok Nor's synchronous orbit around Bajor and the thermal control rotation of the station. A possible colleration exists in which Cardassia Prime and its parent star would be visible through the center of the window at all times.

Despite these analyses and conjectures, the commander's office is well suited for the daily operations of Deep Space 9. Seating, a large desk, shelves and cabinets, replicator, a washroom and communications equipment now grace the environment. A small Cardassian gas-suspension communicator has been replaced by a Starfleet desktop computer, through which contact can be provided to Starfleet Command and other communications networks.

The systems connection to the office are made through the central ops trunks for all atmospheric, water, EPS, ODN and replicator feeds. Airflow is provided through three combined supply/return plenum groups. Water stored in a series of nine 5.5 cubic meter tanks within the ops sub-flooring for routine and emergency use is shunted through two diverter valves to the office washroom. EPS plasma is shipped through a single stage-4 step-down conduit. The office ODN network is configured to route encrypted com signals through Starfleet hardware in the computer cores, via the patch network, or by subspace transceiver. Replicator raw materials are fed by a single branch from the main ops replicator line.

Tactical Systems

DS9's Offensive Systems assaulting a Klingon Fleet in 2372

Phaser Systems

At the end of 2369, after Deep Space 9 had been officially established as a Starfleet-administered orbital facility, only 25 percent of the planned defensive weapons upgrades had been completed. Spares shortages, limited processed materials allocations, and long fabrication lead times all contributed to the stretch-out of the upgrade program. The priority systems, the defensive shields and initial sail tower phaser packs, were installed and brought online in time to protect the Bajoran wormhole terminus. Luckily for Starfleet and Bajor, the Cardassians were unaware that the total weapons installation was still some time in the future. Tactical analysis indicates that the station could have not have withstood a direct assault by as few as ten Galor-class warships.

The current total phaser system maintained aboard Deep Space 9 consists of two main types, the standard linked Type-X emitter normal seen on starship hulls, and a new version of the Type-XI planetary defense emitter. The basic phaser mechanism remains the strong nuclear force liberation method found in the rapid nadion effect (RNE). Recent laboratory developments at Starfleet's Tokyo R&D facility have increased the nadion-particle production rate by 8.35 percent, the primary advantage of which is easing the surge of power requirements for the emitter EPS trunks, and subsequent periodic maintenance demands.

The standard type-9 emitters were originally installed on the outward faces of the sail towers, in exactly the same locations previously occupied by the tetrahedral Cardassian phaser emitters. The six main tetrahedrons had been hastily removed and their stage-1 EPS conduits destroyed. The sky coverage from tall three sail towers is almost a full 360-degree sphere, only partially shadowed by the docking ring and pylons at ranges closer than one hundred meters. The EPS lines were restored and relocated, allowing room for new photon and later Quantum torpedo launchers and loader elevators above the +Y and below the -Y phaser emitters. The Type-X emitter segments each direct a classified firing output, and updated fire-control algorithms allow multiple segments to combine the beam energies of up to six segments. This results in multiplied force coupling at the target, which can be effective in reducing the in-theater time of a threat force vessel due to shield withering, independent of any spacecraft destruction that might occur.

The standard units were aft-firing phaser strips obtained from Soyuz-class starships nearing the end of their operational lifetimes. None had been subjected to high MTBF surge-power conditions and were suitable for mounting in the sail towers. An acceptable amount of alloy matrix adaptation was necessary to seal the duranium phaser frames to the Cardassian rodinium hull plating since almost no inner skeletal beams exist in the towers to provide a deeper structural bonding. Cooling is provided by a modified liquid helium loop, which transfers thermal energy radiator beds as well as to the fusion generators during peak load periods.

An illustrated drawing of DS9's Weapons Arrays

The stage-1 EPS conduits are routed directly from the fusion generator cross-feeds, through Level 15 in the Habitat Ring, and into the towers. They end at the prephaser power conditioners and fire control magnetic iris valves, which contact the emitter crystal occurs after all safety interlocks and fire control codes are authorized and transmitted to the iris valves. All targeting and fire signals must come from the senior officers and handled by the computer CPG to perform the actual directional and sequence calculators.

The original Cardassian weapon monitoring rooms were converted in 2372 into large rotary phaser cannons and microtorpedo launchers and were instrumental in the stations defense during the short-lived Klingon assault against the Federation. The tottery units are composed of Type-IX emitter segments taken from Ambassador-class starships with similar MTBF ratings to the stationary sail emitters. EPS connections are made through sonodanite and rabium-tritonide rotary conduit joints. Plasma pressure variations are smoothed out through a set of four surge tanks set into rotary cannon housing. Cooling is accomplished by a standard supersonic regenerative liquid nitrogen, and excess thermal energy is shunted to the sail tower radiator bed.

The latest upgrade involves the adaptation of the planetary phasers. The type-11 segments were designed to minimize atmospheric blooming out of the beam; in space, the anti-blooming energizing sequence has been altered within the CPG and assists in keeping the beam focused. Three new units are currently in operation. In each, sixteen densely packed type-XI emitters are mounted on movable carriage the is raised and lowered by electro-hydraulic rams. The entire assembly emerges from its stowed position in the Habitat Ring and is protected within one side of the enlarged runabout maintenance bay. EPS plasma is routed through six jointed stage-2 conduits to a capacitance bank within the carriage. Stage-1 level power is available after a two-minute charging period. Cooling is provided by a flexible regenerative liquid nitrogen loop, with excess thermal energy to the fusion generator radiators. All firing commands are handled by the CPG.

Station based phasers present a particularly difficult set of challenges compared to the mobile counterparts installed aboard front-line starships. While it maybe argued that the relative velocities of the station and any threat vessel can be averaged out to give the appearance of two moving objects, the station is at a disadvantage in not being able to perform a pursuit maneuver, and most await possible repeated attack runs. The nearly motionless nature of Deep Space 9, as compared to a high impulse threat, is analogous to the situation faced by the classic Earth aircraft carriers.

Threats are targeted by subspace and light-speed sensors and tracked by defensive measures subsystem within the station computer cores. As with ship-to-ship phaser targeting, multiple targets are locked, prioritized and fired upon in order. Station-specific programming takes obscuring structures into account and performs handoffs from one emitter to another to maintain maximum phaser energy dwell time on the target. The defensive shield envelope, once running at high power, may exert a 1 percent drain on the outgoing phaser beam, but wave synchronization can be used to reduce this drag force by one half.

With the addition of the weapons array (in 2372), DS9 became the most heavily armed installation in the Alpha or Beta Quadrants. Starfleet command figured that with the additional protection of the U.S.S. Defiant, it would take a fleet of over 75 Dominion/Cardassian ships to capture the Station. In 2374, that was put to the test when the Dominion attacked. Half of the 100 ship invasion fleet was destroyed before DS9's defenses were overwhelmed.

Torpedo Launchers

Defense Systems

After the primary shield envelope failed, the emergency shield generators prevented a Jem'Hadar attack ship from colliding with the Central Core.

Computer and Science Systems

Computer Cores

Research Labs

Science Probes

Security and Military Operations

Security Operations

The internal protection of the Deep Space 9 orbital station is controlled from the security office located in the lower Promenade. This department has been overseen by Chief of Security Odo from 2369 until his departure in 2375. This department includes both Starfleet Officers and Bajoran Militia Security personnel. The department is concerned with the internal volume of the station and so external defensive operations involving DS9 or allied spacecraft are not normally involved and are left to Starfleet officials. The physical layout of the office includes the lockable office entryway, the chief of security's office, access corridors, records storage and computing center, forensics laboratory, armory, holding-cell control entryway and three holding cells. Additional holding facilities are available in Sections 2 and 3 of the Promenade in the Central Core assembly of the station.

The access corridors are set inboard of the main outer Upper Core access ring and connect the various compartments of the department. As with the systems access tunnels, these passageways are protected with duranium sheeting to prevent unauthorized scans.

The Chief of Security's office is equipped with computer access consoles for logging daily activities, analyzing evidence, and studying details of cases. The computer capabilities include protected storage and stand-alone processors to minimize information theft and sabotage. The security department computers are connected to the main cores for deep encrypted storage and additional data access. The computers consist of twin isolinear rod arrays with a total processing and storage capacity of 5.4 megaquads.

The forensics laboratory is equipped with physical evidence scanners covering all biological and inorganic substances. The available gear is similar to that found in the infirmary laboratory facilities and is optimized for criminal activities investigations. Miniaturized versions of the most forensic analysis gear can be packed into a portable kit for on-site work within the station or for away missions. Evidence storage is provided for tissues and materials requiring special preservation methods, including inert gas suspension, cryogenic freezing, and stasis fields.

The armory holds most of the security-force phasers and restraint devices used in normal operations. The department armory supports twenty-five Starfleet Type-2 Phasers eighteen Bajoran phasers, twelve Bajoran phaser rifles, plus their respective charging clamps. The normal supply of 30 trackable cuff restrains is augmented by 250 kemmidide polymer restraint strips for lower-risk individuals. The armory also supplies a variety of covert intelligence-gathering devices used to counter smuggling, illegal financial activities, and political insurrections. Additional weapons are storage in the general Starfleet armory sections and are available according to specific Starfleet weapons operations rules.

The holding cell section is accessed through the outer security perimeter corridor. Suspects and visitors are checked in at the control desk and then brought to the central cell area. Suspects are held within three adjoining cells and are restrained by standard planar force fields. All force field devices are Cardassian with Starfleet EPS regulators to control plasma-current levels. In the event of an emergency situation that might overwhelm the security office physical structure, all prisoners are placed in trackable cuffs and escorted to a safe environment.

Personnel Support Systems

Medical Support Facilities and Systems

The Deep Space 9 Infirmary.

The primary medical care facility aboard Deep Space 9 is located on the lower level of the Promenade and is designated as the Infirmary. Previously under the supervision of Lieutenant Commander Julian Bashir from 2369 until early 2376, the Infirmary on Deep Space 9 is one of the most advanced medical treatment centers in the Bajoran Sector, and the nature of the station as a convergent point for large numbers of Alpha Quadrant races has placed unique demands on the staff and available systems from a basic biological science standpoint.

The infirmary consists of a collection of rooms with its entrance set in the outer pedestrian walkway. The main sections are the surgical suite, diagnostic and research center, the medical intensive-care ward. Two large non-critical care wards are located in the Central Core on Level 13, and forty-five smaller unattended stations are distributed throughout the station for initial emergency treatments prior to transfers to the infirmary.

While critical patient movements can be made by transporter within a ten-second window, transfers may involve distances of up to kilometers by turbolift in the event of the transporters being offline or unavailable. Patient transfers from the runabout pads are normally quick moves through the crossover bridges and up to the Promenade, and any incoming patients are brought through the large docking ports are also quickly moved through the bridges.

Other related medical facilities are located in the Habitat Ring and Central Core are physical therapy suites, microgravity research lab, dental care office and immunological lab, stereotaxonomy lab, and EM cytology analysis lab. While there is no dedicated biohazard-isolation section, most habitable close to the medical labs can be quickly converted to isolation units through the use of force fields.


Normal Infirmary and medical department staffing s ten staff physicians, give of whom are expected to have undergone emergency medical training; nine medical technicians; and a mixed complement of twenty Starfleet and Bajoran certified nurses. The normal 8.75 hour duty shift in the infirmary proper involves one staff physician, two nurses and two medical technicians. The remaining staff are distributed to the laboratories and other research suites and are rotated to the infirmary in three shifts per twenty-six-hour day. An overlap of some ten minutes allows the shifts to exchange updates during changeover. Research and laboratory personnel not directly assigned to the infirmary rotation number anywhere between fifteen and twenty-five, and are Starfleet, Bajoran, or independent scientists and technicians who have brought special projects to Deep Space 9.

Crew and Residential Quarters

The primary grouping of living quarters is contained within the Habitat Ring, the first major assembly outboard from the central core. This ring is connected to both the central core and Docking Ring via two types of structures: the three crossover bridges and three smaller crossover bridges. The latter extend only to the Habitat Ring and do not continue onto the Docking Ring. The Habitat Ring consists of five levels designated levels 11-15, or Habitat Levels 1 - 5. Continuous 360-degree circular corridors connect most levels within the ring, except for interruptions to accommodate the landing pad launch and maintenance bays.

Some 452 large residential quarters were originally constructed by the Cardassians, reserved for high-ranking officers. Another 231 smaller quarters were assigned to lower-ranking officers and some Bajoran nationals working for the Cardassians. The current Habitat Ring assignments are given to Starfleet and Bajoran crews, diplomats and other dignitaries, and some commercial operators and transient ship crews. The large quarters typically spanned four five window bays, and the smaller units spanned two or three window bays. Since the hand-over, some of the non-load-bearing divider walls have been moved about to create custom-built spaces. These spaces include some duplicate personnel services found on the Promenade, emergency medical services, emergency space operations hardware, and auxiliary laboratory areas. A total of 343 additional quarters are maintained in the Central Core for overflow transient ship crews, for some engineering and security support personnel, and as contingency accommodations for evacuees or refugees.

The typical Habitat Ring residential space set into the outboard structural area includes a few large transparent aluminum windows, room partitions, a replicator, wash facilities, and connections for EPS-powered devices, com systems and computer terminals.

The windows are equipped with opacity controls set into the innermost structural layer. When set for automatic operation, the shading level is ramped up and down by isolinear processor to prevent full sunlight from entering the room. All opacity controllers can be set manually to create a totally opaque surface or diffuse lighting sources or any intermediate setting. The individual rooms are usually set into a linear arrangement of central living room with entryway, followed by one or more bedrooms, with washrooms attached to the far ends of each bedroom. Some transverse corridors in the Habitat Ring are closed off to produce short hallways within a particular residents.

Replicators are the original Cardassian units, which have been checked out by the present engineering crews to the best of their abilities; numerous operational glitches and Cardassian computer viruses have that were discovered have been purged. Some Starfleet food replicators have been installed in some areas of the Habitat Ring as a handy adjunct to the Promenade food services. The washing facilities typically include a sink, toilet, and a sonic shower but some have been modified to include an Earth designed spa/Jacuzzi tub. Not all Cardassian quarters were originally equipped with the sonic shower modules; as with other types of requisitioned gear, a number of Starfleet sonic showers were rotated out from normal Starbases and starship salvage.

Power and consumables connections for the residence quarters include EPS user power, RF and subspace com links, and hard-line ODN circuits. Most of the EPS user devices employ induction-power transfers, so that the few EPS connections are required as breakouts through the wall paneling. The RF and subspace microantennae required for combadge and computer terminal linkups are embedded within the ceilings and walls and provide nearly continuous coverage throughout the station. The ODN fiberline connections are primarily for high-speed, secure communications and computer operations and work with most short-range encrypted IR, UV, and subspace converters built into the Starfleet and allied desktop and console units. All residences are also provided with entertainment and news channels through the room audio systems and display screens.

Standard environmental for the units is that of Class-M planets. Twenty-five percent of all quarters have been augmented with semi-permanent breathing-gas and liquids-processing modules and subfloor connections to support Class-H, -K, and -L environmental conditions. Transient facilities have been augmented to support additional three percent Class-B, -N and -C environment, with reinforcements applied to the compartment force field systems to constrain non-class-M substances. In these cases, most interior walls and furnishings have been fabricated from compatible materials or sealed with anticorrosive agents.

The units are also equipped with audible emergency warning repeaters, configured for the exact location within the Habitat Ring or Central Core assembly. These repeaters are triggered by authorized security personnel and direct all Deep Space 9 inhabitants regarding the specific procedures required for a particular situation. Evacuation routes are calculated within the computer core and sent to each room. Space vessel dockings, lifeboat units and sheltered areas are all considered in creating the required traffic-flow patterns.

Auxiliary Vehicles

USS Defiant

In response to the Dominion's destruction of the U.S.S. Odyssey in the Gamma Quadrant by the Jem'Hadar, Benjamin Sisko persauded Starfleet Command to assign the prototype vessel Defiant to the station. In light of the destruction of one of the most advanced Federation starships at the hands of the Dominion, Starfleet agreed.

The Defiant remained at the station for over four years before it was destroyed by the Breen during the Dominion war and was replaced by another Defiant-class starship that was renamed to Defiant in the lost ship's honor.

For more information, please see U.S.S. Defiant article

Runabout Operations

One of the six hangers positioned at 60 degree intervals along the Habitat Ring

All runabout activities on Deep Space 9 are managed from six launch and maintenance bays constructed for the first three vehicles to reach Deep Space 9 in 2369. These bays are set into the Habitat Ring at 60 degree intervals, between major load bearing bulkheads. All resident quarters in the immediate vicinity of the new bays were either converted for engineering support or shielding from potential accidental detonations or other energy releases from support work. All other quarters more than two levels away were untouched and only received minor reactive soundproofing.

The surface liftoff and touchdown pad is the upper assembly of the runabout elevator system. The pad includes all navigational RF and subspace com aids, approach and departure lighting, and auto-capture tractor mooring strips. Once aligned by the approach vector subsystem, the mooring strips provide an EM-based hard docking latch-up to the elevator.

The maintenance bay interior is spacious enough to support a single runabout and at least two Type-9 shuttlecraft. With the elevator lowered to its fully retracted position, the overheard entry door can be sealed. Forcefield generators are also in place to provide a temporary atmosphere restraint in the event the outer door cannot be closed. Runabout entry and exit can be made through a moveable airlock and transfer tunnel or through the main cable entry hatches via a shirtsleeve or pressure-suit environment. The runabout swappable modules are serviced in the space adjacent to the elevator pad. All cargo, science, and defense payloads can be loaded, cleaned, and repaired within the two-level facility. Major overhauls to the runabout can also be performed within the maintenance fixtures.

The elevator is a hybrid electro-hydraulic and stored-tension mechanism capable of lifting a mass 2.5 times that of the runabout, which itself typically masses 158.7 metric tones. In many cases, the prelift sequence involves detuning the local gravitational mat to reduce the stress on the elevator system.

Runabouts assigned to Deep Space 9

Standard operation protocol insures that a total of at least three runabouts are assigned to the station at all times, and as of this entry, there are four runabouts currently assigned to the station. These are:

Note: All runabouts mission configuration modules can be changed at any time while they are docked at Deep Space 9 with the approval of the station commander or mission commander.

A Runabout launches from its landing pad on the Habitat Ring


Station Directory - Notable Highlights

Central Core

  • Level 01: Operations, Captain's Office
  • Level 06: Upper Promenade
  • Level 07: Lower Promenade
  • Level 08: Science Labs

Habitat Ring

  • Level 1: Senior Officers Quarters, Captain's Quarters, Officers' Quarters
  • Level 2: Officer Quarters, Crew Quarters, VIP Suites
  • Level 3: Landing Pad Maintenance Bays, Residential Quarters
  • Level 4: Crew Quarters, Officer Quarters, Residential Quarters
  • Level 5: VIP Quarters, Private Offices

Docking Ring

Promenade Directory


Commerical Facilities

Deep Space 9's Promenade Infirmary location
Quark's Bar, Grill, Gaming House and Holosuite Arcade, main bar area

The principal commercial space aboard Deep Space 9 is the Promenade. The physical arrangement places it within the Upper Core assembly, protected by the defensive shield generators above and the reactive shield wall below. The Promenade is divided into three 120 degree arcs, each arc defined by structural reinforcements capable of lockdown utilizing compartment-type doors and force fields. The space is further divided into three floors, consisting of Levels 5, 6, and 7. The lowest space contains the majority of the shops and food services occupies Level 7. The middle floor on Level 6 provides a view through the large, elongated windows, plus some office and storage areas. The uppermost area, Level 5, is taken up by Holosuites, structural core access, and storage spaces. Around the base of the lower level runs a long, circular corridor which provides access to the freight-handling areas and additional access to the security gates and turbolifts.

The level 7 concourse provides a wide range of shops, trading posts, services, entertainment and food establishments, plus the Bajoran Temple. Commercial space is controlled by the Deep Space 9 Promenade Merchants Association and is leased by the cubic meter, in addition to partition construction and utilities costs for EPS power, common gas and fluid supplies, and ODN connections. The number and type of merchants will vary from time to time, through the occupied volume is typically around 82 percent. The open shops and services that can usually be found include spacecraft other hardware-spares traders, systems repair shops, clothing shops, mineralogical assay stations, rare objet d'art dealers, spacecraft and planetary salvage operations, a schoolroom, expedition outfitters, and chemical and alloy suppliers. Normally, any merchants known to deal in major weapons systems are prohibited from working out of Deep Space 9, as part of the Starfleet-Bajor agreements, through some smuggling and deal facilities have occurred on the station.

Food and entertainment are varied as the other types of shops. By far the largest purveyor of food and drink on the station continues to be Quark's Bar, located on Arc 1 of the Promenade, Level 7, and it is impossible to miss. Quark's also offers the station population and visiting crews games of chance, notably dabo and tongo, as well as engaging mix of holosuite programs. Other food services have included a Klingon restaurant, a jumja stick kiosk and the Replimat.

The Replimat is a self-serve facility providing multiple Cardassian food replicators and it offers menus from many different worlds, with the exception of Ferengi meals. It has been long favorite spot of the station residents and visiting crews for quick bites to eat, and the Klingon coffee, Raktajino.

While not a commercial facility, the Bajoran Temple is nevertheless situated within the main hub of personnel movement. It has been built and furnished in the style of the temples of Bajor, based on architectural forms dating back to the ancient city of B'hala. Bajoran residents and visitors use the Promenade for daily prayers and mediations as part of their search for guidance from the Prophets. The station's temple has been a temporary holding area for some of the Orbs received from the wormhole entities, known as The Prophets.

Crew Roster

Photo Name Position Rank
RyanKent-CharPic.jpg Captain Ryan Kent Commanding Officer 2373-red-captain.png
Position Open for Recruits Executive Officer 2373-red-blank.png
Position Open for Recruits Strategic Operations Officer 2373-red-blank.png
Position Open for Recruits Chief of Operations 2373-gold-blank.png
Position Open for Recruits Chief of Security 2373-gold-blank.png]
Position Open for Recruits Chief Medical Officer 2373-teal-blank.png
Position Open for Recruits Chief Science Officer 2373-teal-blank.png
Position Open for Recruits Station Counselor 2373-teal-blank.png
Position Open for Recruits Deputy Security Chief 2373-gold-blank.png
Position Open for Recruits Bajoran Militia Liasion Bajoran-red-blank.png
Position Open for Recruits Bajoran Security Offficer Bajoran-grey-blank.png
Position Open for Recruits Klingon Detachment Commander Klingon-blank.png

Recurring Characters - PCs and NPCs

Photo Name Position Rank
Quark-Mugshot.jpg Quark Quark's Bar - Promenade Owner
Personal tools
Database Operations
Ships of the Fleet
Fleet Operations
Uniforms and Equipment