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Galaxy Class Starship
Classification Explorer
Role Defense / Patrol / Explorer / Diplomatic / Command
Shipyards Authorized for all
Production Dates 2356-2368
Standard Refit 5 Years
Recommended Overhaul 10 Years
Offensive Rating Pending
Defensive Rating Pending
Total Rating Pending
Hull Duranium-Tritanium Double Hull
Armor None
Length 642.51 meters
Beam (width 463.73 meters
Draft (height) 145.26 meters
Displacement 4,500,000 Metric Tons
Decks 42 at 3.4 m/deck
Structural Integrity Field Class 5 (50 Kg/Cm Hull Stress Rating)
Personnel Systems
Crew Compliment 1,012 (average)
Officers 251
Enlisted 561
Civilian 200
Evacuation Limit 12,000
  • (150) 4 person shared
  • (100) 2 person shared
  • (200) standard
  • (60) luxury
  • (25) (of above) are adaptable
Medical Facilities Type 10, No EMH
  • Basic Life Support System,
  • Reserve Life Support System
  • Emergency Life Support System
  • Artificial Gravity Generators
  • 5 years replicator stock (used for ship resupply)
  • 5 years fuel (matter/antimatter)
Diplomatic Facilities Class #
  • Personal: (1) in each luxury/adaptable/standard quarters, messhall/lounge, bridge and departmental offices.
  • Industrial: (17) small, (3) large
includes Diplomatic Facilities
  • (2) Mess Halls
  • Gymnasium
  • (1) main lounge
  • (14) small lounges
  • (4) Holodecks
Security Facilities Class #
  • (4-8) Brig cells
  • Force fields
  • Sedative gas
  • Weapons Lockers
  • Autodestruct
Personal Transporters
  • (6) Type 6/H - 6-pad, Range 35,000 KM, 97% Reliability
  • (22) Type 3/H - 3-pad Range 20,000 KM, 97% reliability
Cargo Transporter (8) 5-meter pads, Type 3/H - 400 kg, Range 20,000 KM
Cargo Holds (333,000 Cubic Meters total)
Propulsion & Power Systems
Warp Nacelles Class # Warp Coils (#/nacelle), # Class Injectors
Warp Ratings
  • Cruise: Warp #
  • Max: Warp # (# hrs)
  • Emergency: Warp # (# hrs)
MARA Power Cores (1) Utopia TPG Class 13/D (630 TJ / Second)
Impulse Engines
  • (1) Scott Class 7/E (340 MJ / Second) - Secondary Hull neck
  • (2) Scott Class 4/C (170 MJ / Second each) - Saucer aft port/starboard
RCS Thrusters
  • (#) Main: Trentis Mk.# - # newtons thrust
  • (#) Aux: Trentis Mk.# - # newtons thrust
Auxiliary Power (4) Scott Class 5/E Fusion Generators (240 GJ / Second each)
Emergency Power (14) Class 3/E Micro-Fusion Generators (1.4 MJ / Second each)
EPS System Standard, minimum 95% Base Efficiency
Total Power Output # TeraJoules / Second
Operations Systems
Bridge Module Galaxy Class
Auxiliary Control Battle Bridge (small module), Main Engineering
Separation System Saucer with atmospheric capability
Flight Control Standard Isolinear Autopilot
  • Hold steady course (20 LY)
  • Suggests adjustments to course based on obstacles.
Navigation Computer Isolinear - 3 Modules: 13,209 Kq, 45% faster reaction speed
Navigation Deflector Class 3 - Ranges: Main 1 LY / Aux .5 LY
Internal Damping Field
  • Primary: (10) Type 9
  • Backup: (20) Type 6
Communications Class 9/Beta
  • (32) Multi-purpose labs
  • (3) Specialized labs (Arboretum, Medical, Stellar Cartography)
Computers Total Capacity: 647,270 KiloQuads
  • Primary: Isolinear - 50 Modules: 220,160 Kq
  • Secondary: Isolinear - 50 Modules: 220,160 Kq
  • Tertiary: Isolinear - 44 Modules: 193,741 Kq
Sensors Class 9/Beta
  • High: 5.5 LY
  • Lateral: 9.35 LY
  • Navigation: 16 LY, 12 degree focus
  • Low: 19.8 LY
Probes 60 (mixed class)
Tractor Beams
  • (2) Delta Class (Fore/Aft Ventral)
  • (3) Alpha Class (Shuttlebays)
Cloaking Device None
Tactical Systems
Phasers (15) Type X Arrays (16 after separation)
  • (Saucer: Dorsal strip, Ventral strip (4 arrays each strip))
  • (Engineering: Port/Starboard Dorsal, Port/Starboard Ventral, Aft Dorsal, Aft Port/Starboard Ventral, Forward Dorsal-unusable before separation)
Phaser Output 90,000 GigaJoules (when joined)

(Engineering: 48,000 after separation, Saucer Phasers power reduced to 16,000 - limited bursts)

Torpedo Launchers (3) Type IV Burst Fire Photon Launchers
  • (2) forward
  • (1) aft
Torpedo type / Amount (275) Mk. VI Photon
Shields Delta 7/E Class
Shield Emitters (200) overlapping coverage
Shield Recharge Rate Type 5 (5 TJ / Second)
Shield Rating # TeraJoules
Auxiliary Systems
Escape Pods 180 (6 person pods)
  • (1) Main: Saucer Aft capacity for 24 warp-capable shuttles & 28 shuttlepods (or equiv.size)
  • (2) Auxiliary: Secondary hull neck Aft capacity for 20 shuttlepods (or equiv. size)
Shuttles (24) standard warp-capable
Fighters (0) Fighters
Runabouts (0) Various Class
Shuttlepods (20) Shuttlepods
Utility Craft (8) Sphinx-class Workbees
Captain's Yacht Galaxy Yacht Module (Saucer ventral)
Shuttle Exchanges
  • Warp Capable Shuttles may be traded for Fighters or Runabouts at an exchange of 4 shuttles per Fighter/Runabout.
  • Shuttlepods may be traded for Fighters or Runabouts at an exchange of 6 pods per Fighter/Runabout.

The 'Galaxy Class starship was the largest vessel constructed by the Starfleet until the 2380's. It uses the time-honored design used on many previous classes. A large saucer-shaped primary hull connected to a tube-like secondary hull.




By the late 2330's Starfleet designers were ready to jump into something that had much larger proportions. The Nebula-class came into being, designed as a production line vessel. It was a variation of the as-yet unnamed future vessel. In 2344 and 2345 the Advanced Starship Design Bureau started working on the design of the vessel, and by 2349 all the ship's designs were frozen and they were ready to build.

Construction on the first batch of vessels, the USS Galaxy, USS Yamato, and USS Enterprise-D, were started in 2350. By 2363 all three had been launched. The second batch of vessels was built based on the lessons learned from the first three. After these ships were made more spaceframes were built, partially deconstructed and sent to top secret locations.

The first upgrade revolved around a weak spot discovered in the Galaxy Class, it was revealed during first contact with the Dominion when the USS Odyssey was destroyed. The deflector dish and neck of the Galaxy Class is a vulnerable location to attack. Only two vessels received the solution to this condition before the Dominion War started. The vessels were given a hull upgrade of ablative armor around sensitive areas. When the war started, Starfleet ordered that the Galaxy Class vessels currently on the production line be rushed into operational status.

The original version of the Galaxy Class saw it's last days of service around 2373, matching the prediction of twenty years. The Mk. III upgrade is expected to see the class through 2390.

Excerpts from Startrek A Call To Duty

Known Vessels of this class

Name Registration Status
USS Galaxy NCC-70637 Active (Prototype, Upgraded)
USS Enterprise NCC-1701 D Upgraded, Destroyed (2371)
USS Challenger NCC-71099 Upgraded, Active (presumed)
USS Yamato NCC-71807 Upgraded, Destroyed (2365)
USS Odyssey NCC-71832 Upgraded, Destroyed (2370)
USS Venture NCC-71854 Upgraded, Active (presumed)
USS Trinculo NCC-71867 Upgraded, Active (presumed)
USS Magellan NCC-7? Upgraded, Active (presumed)
USS Vel'dna NCC-72406 Upgraded, Active (presumed)
USS Kludy NCC-71095 Upgraded, Active (presumed)
USS Courageous NCC-72579 Upgraded, Active (presumed)
USS Indomitable NCC-73462 Upgraded, Active (presumed)
USS Edison NCC-? Upgraded, Destroyed (2383), (Tango Fleet RPG)
USS Frontier NCC-71923 Upgraded, Active (6th Fleet RPG)

Deck Listing

Deck 1 Bridge


  • Star Trek: The Next Generation (all)
  • Star Trek: Deep Space 9
    • The Jem'Hadar
    • Favor the Bold
    • Sacrifice of Angels
    • The Way of the Warrior
  • Star Trek: Voyager
    • Timeless