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Canon Facts Backstage Info  Speculation
Type
Explorer - Basic
Unit Run
NCC 70637 USS Galaxy
NCC 71099 USS Challenger
(NCC 1701-D USS Enterprise)
USS Magellan
(NCC 71832 USS Odyssey)
NCC 71854 USS Venture
(NCC 71807 USS Yamato)
NCC 71867 USS Trinculo
and 41 others built in total. 10 have been lost during and before the war, leaving 31 in service. The above list includes both basic and uprated Galaxy class vessels; Starfleet refuses to specify precisely which ships are uprated. Civilian sources indicate that 31 ships were of the basic model, of which 6 have been lost in total.
Commissioned
2362 - present
Dimensions
Length : 641 m
Beam : 470 m
Height : 145 m
Decks : 42
Mass
5,125,000 tons
Crew
1,000+ including family members
Armament
12 x Type X Phaser arrays, total phaser output 50,000 TeraWatts
3 x type 3 burst fire photon torpedo tubes + 275 torpedoes
Antimatter spread emitter
Defence Systems
Shield system, total capacity 2,700,000 TeraJoules
Standard Duranium/Tritanium double hull plus 9.0 cm High Density armour.
Standard level Structural Integrity Field
Warp Speeds
(TNG Scale)
Normal Cruise : Warp Factor 6
Maximum Cruise : Warp Factor 9.2
Maximum Rated : Warp Factor 9.6 for twelve hours
Strength Indices
(Galaxy class = 1,000)
Beam Firepower : 1,000 
Torpedo Firepower : 1,000 
Weapon Range and Accuracy : 1,000 
Shield Strength : 1,000 
Hull Armour : 1,000 
Speed : 1,000 
Combat Manoeuvrability : 1,000
Overall Strength Index
1,000
Grade 7
Expected Hull Life
100 years
Refit Cycle
Minor : 1 year
Standard : 5 years
Major : 20 years


Notes : The Galaxy class was developed to replace the ageing Ambassador and Oberth class starships as Starfleets primary exploration vessel. The design was initiated in 2343 with a highly challenging specification which called for a ship based on the Nebula design then being developed, but equally capable of scientific, exploration, diplomatic, cultural, and combat roles all within a single multi-mission hull. In fact, many came to regard the requirement as too challenging; the project suffered from numerous delays due to a wide range of design, manufacturing, and construction problems. The first of the class, the USS Galaxy, was launched in 2357 and commissioned in 2362, nearly two decades after initial approval.

The USS Galaxy which emerged from the Utopia Planitia shipyard had very similar lines to the Nebula class. The Galaxy is slightly larger in volume, although its less compact design gives it considerably greater length than the smaller vessel. The major change between the two is the lack of a mission specific pod on the Galaxy class, the increased volume allowing sections within the hull to be mission customized. This combined with a more advanced systems level to allow all functions to be performed by the single design. In addition the saucer and engineering hulls are separated by an eleven deck connecting neck section. This separation between the two hulls allows the nacelles to be located outboard and above the engineering hull, a position which increases the efficiency of the warp drive field slightly. This gives the Galaxy class warp coils an efficiency of 88% at speeds of up to Warp 7 and 52% through Warp 9.1 - the comparable figures for the Nebula class are 84% and 47% respectively.
 
 

Saucer Section features
Deck Contains...
1 Main bridge, main observation lounge, captains ready room.
2 Junior officers quarters
3 Junior officers quarters
4 Main shuttle bay, cargo bays
5 Science laboratories, residential quarters
6 Transporter room 1, 2, 3, 4, science laboratories,
main dorsal saucer phaser array
7 Residential quarters
8 Residential quarters, including captains quarters
9 Residential quarters, Saucer impulse engines,
secondary dorsal saucer phaser arrays
10 Ten forward, computer cores, escape pods
11 Holodecks, residential quarters
12 Sickbay, medical laboratories, gymnasium
13 Residential quarters, life support system,
main ventral saucer phaser array
14 Residential quarters
15 Maintenance centre
16 Captains yacht docking port

 
Stardrive Section features
Deck Contains... Deck Contains...
8 Battle bridge 26 Engineering support
9 Docking latches and supporting
mechanisms
27 Deuterium fuel pumps and fill ports
10 Emergency batteries,
phaser bank systems
28 Deuterium fuel storage
11 Life support systems 29 Deuterium fuel storage
12 Science labs 30 Deuterium injection reactors
13 Shuttle bays 2 and 3 31 Science laboratories
14 Shuttle bay support, personnel
transporters 5 and 6
32 Living quarters
15 Science labs 33 Living quarters
16 Maintenance 34 Environmental support
17 Living quarters 35 Aft photon torpedo launcher
18 Living quarters 36 Main engineering,
secondary ventral stardrive section phaser arrays
19 Living quarters 37 Environmental support, waste management
20 Living quarters 38 Cargo bays, brig
21 Power distribution 39 Cargo bays
22 Engineering support laboratories 40 Antimatter injection reactors
23 Main impulse engines 41 Antimatter storage pods
24 Life support 42 Antimatter storage pods
25 Dorsal docking port,
forward photon torpedo launcher

The increased internal volume allowed for 800,000 square metres of mission adaptable facilities. This allows the Galaxy class to support a wide range of ongoing research projects independently of the vessels primary mission. Although not a new idea in Starfleet vessels, the Galaxy class is unique in the extent to which this is possible. These ships are capable of supporting up to 5,000 mission specialists, while the decentralized nature of the secondary power grids allows laboratories to function effectively even during combat operations.

The combat capability of the Galaxy class was also significantly greater than that of the Nebulas. The three burst fire torpedo tubes are each capable of launching ten photon torpedoes every six seconds, while there are no less than twelve Type X phaser arrays. As with many recent Federation designs, the use of long phaser arrays rather than banks gives the main phasers of the Galaxy class a great capability for sustained firing and rapid recharge/cool down time. The Galaxy class is the first on which all segments of every phaser array are supplied by a separate power system; although this increases the complexity of the system tremendously, it gives the phaser arrays a tremendous survivability in the face of combat damage.

In service the Galaxy class at first proved exemplary, but by 2371 no less than three of the initial six ships had been lost, one with her entire complement of crew and families. This alarming record led to many changes being introduced during refits of the remaining three vessels, and also to the construction of six new Galaxy class ships from space frames held in reserve against future need. The unfortunate history of the Galaxy class vessels combined with the recent escalation's in tensions within the alpha quadrant has led to all six vessels being subsequently completed, and all are now on active service against the Dominion.

Major changes to the Galaxy class have included a new more powerful warp core, a redesigned shield system intended to perform far better against phased polaron beam weapons, various changes to the ships computer systems, plus many minor changes to the ships systems. There are currently nine galaxy class vessels in service. Production of these vessels continues today; five Galaxy class ships took part in the recent operation to retake Deep Space Nine from the Dominion and the class has gained a fearsome reputation during the war, so far operating without loss. Though new Galaxy class ships are being produced without any science or diplomatic facilities included in order to reduce the vessel mass and so enhance combat performance during the Dominion war. These ships will be "filled out" after the war, considerably enhancing Starfleets exploration capacity. At this point further production is expected to be terminated in favour of the new Sovereign class.
 
 

Type
Explorer - Uprated
Unit Run
NCC 70637 USS Galaxy
NCC 71099 USS Challenger
(NCC 1701-D USS Enterprise)
USS Magellan
(NCC 71832 USS Odyssey)
NCC 71854 USS Venture
(NCC 71807 USS Yamato)
and 41 others built in total. 10 have been lost during and before the war, leaving 31 in service. The above list includes both basic and uprated Galaxy class vessels; Starfleet refuses to specify precisely which ships are uprated. Civilian sources indicate that 18 ships were of the basic model, of which 4 have been lost in total.
Commissioned
2362 - present
Dimensions
Length : 641 m
Beam : 470 m
Height : 145 m
Decks : 42
Mass
5,125,000 tons
Crew
400 Starfleet; typically no families carried
Armament
14 x Type X Phaser arrays, total phaser output 70,000 TeraWatts
3 x Type 3 burst fire photon torpedo tubes + 275 torpedoes
Antimatter spread emitter
Defence Systems
Shield system, total capacity 5,049,000 TeraJoules
Standard Duranium/Tritanium double hull plus 9.0 cm High Density armour.
Standard level Structural Integrity Field
Warp Speeds
(TNG Scale)
Normal Cruise : Warp Factor 6
Maximum Cruise : Warp Factor 9.2
Maximum Rated : Warp Factor 9.9 for twelve hours
Strength Indices
(Galaxy class = 1,000)
Beam Firepower : 1,400
Torpedo Firepower : 1,000
Weapon Range and Accuracy : 1,230
Shield Strength : 1,870
Hull Armour : 1,000
Speed : 1,600
Combat Manoeuvrability : 1,000
Overall Strength Index
1,351
Grade 7
Expected Hull Life
100 years
Refit Cycle
Minor : 1 year
Standard : 5 years
Major : 20 years


Notes : The uprated Galaxy class has been fielded by Starfleet in order to increase the combat capability of the class for service in the Dominion war. The improvements include an extra pair of phaser arrays mounted on the nacelles, an increase in the maximum speed to Warp 9.9, and various other enhancements. As with the Nebula class, Starfleet refuses to comment on which Galaxies are enhanced and which are not.



Last updated : 3rd May 2000.
This page is Copyright Graham Kennedy 1998.

Star Trek et al is Copyright Paramount Pictures 1996/97.
No Copyright  infringement is intended and this page is for personal use only.
All  of the above classes of star ships and all of the
named ships are copyright Paramount 1996/97.