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The Daedalus-class battlecruiser (sometimes known as a Deep Space Carrier or a 304) is a fictional class of starship in the science fiction television series Stargate SG-1 and Stargate Atlantis.

The Daedalus class is the second-generation of Earth's battlecruisers, designed to combat enemy ships, for example the Goa'uld Ha'tak class motherships. It succeeded the Prometheus as the main ship operated by the United States military and its allies. Four Daedalus have been built and three are in active service, including the the USS Daedalus, the USS Odyssey and the USS Apollo. The Russian Air Force-operated Korolev is destroyed during the Battle of P3Y-229.

Technology

Template:Spoiler The Daedalus class is fitted with much of the same advanced alien technology as the Prometheus, only all integrated into the original design prior to construction, as opposed to being "tacked on after the fact", as is the case with the Prometheus, as Lt. Col. Samantha Carter puts it.

Asgard

The Daedalus class is equipped with a great deal of Asgard technology, notably its intergalactic hyperdrive, shields and beaming technology. The Odyssey is also equipped with energy weapons and other technologies, with Samantha Carter describing the Asgard technology as "Truly amazing". In addition, the Daedalus itself has an Asgard engineer named Hermiod, assigned on board to oversee its use.

Goa'uld/Ancient

The Daedalus class ships also have the same ring transporters as Goa'uld vessels, which are known to ultimately be an Ancient creation. These rings are compatible with rings onboard Ori motherships.

Tactical systems

The Daedalus class carries numerous Mark III and Mark VIII tactical nuclear warheads and a quantity of railguns. Generally speaking, the primary armament used by the Daedalus-class vessels is the missile complement which is fired using vertical launching systems, with all missile emplacements appearing at the bow of the ship; only the Odyssey has been seen with ventral hull emplacements. Unlike conventional vertical launch systems, it is possible to access the loaded missiles from inside the ship, to swap their warheads, or entire missiles. In season three's "No Man's Land", Colonel Caldwell orders the safety protocols to be disabled so that it is possible for them to fire all their Mk. III nuclear missiles the moment they exit hyperspace to increase the chance of a missile achieving a direct hit, and not be destroyed by Wraith Darts.

In addition to a thick amour hull which is capable of withstanding brief, but intense fire from a Wraith Hive-Ship, the Daedalus class vessels are fitted with advanced Asgard shielding that can defend the ship from incoming hostile fire.

There was no Asgard weaponry fitted to any Daedalus-class vessels prior to the Stargate SG-1 finale episode, "Unending", with the Asgard previously going as far as to safeguard their beaming technology, by preventing its use as a weapons delivery system.

The Odyssey is, however, heavily upgraded with the latest Asgard technology, including energy weapons capable of successfully destroying an Ori mothership with several direct hits to its shields.

Design

As seen on Stargate Atlantis, the Daedalus has notable physical differences from the Prometheus. It is sleeker and lacks the large aft tower. The Daedalus-class also has four additional engine emplacements on each side, making the rearmost part of the ship wider than the Prometheus. There is a large square structure on the ship's bow, whose purpose is unknown. F-302 bays are located on both sides of the ship, below and out from the main hull along the rear. The Daedalus shields are also capable of standing up to multiple Wraith Hive Ships or Goa'uld motherships in combat.

Hangar bay

The Daedalus class has a hangar bay on either side, but all the F-302s are in the starboard hangar. The Daedalus is capable of carrying up to 16 F-302s, but so far its only been seen carrying eight so that the other hangar can be used for various needs. The hangars come with doors and shields to prevent decompression and suction into the vacuum of space.

Ships of the Line

The USAF operated Daedalus (Hull-marked 02) first appears in the Stargate Atlantis episode "The Siege, Part 3", commanded by Colonel Steven Caldwell. The Daedalus plays an instrumental role in defending Atlantis, and subsequently serves as an intergalactic ferry between Earth and Atlantis.

USS Odyssey first appears in the Stargate SG-1 episode "Off the Grid", and becomes Earth's primary-defense when the Prometheus is destroyed in "Ethon". Odyssey is commanded by Colonel Paul Emerson from "Off the Grid" till "Company of Thieves" when he is killed in the line of duty. The Stargate SG-1 episode "Family Ties" reveals Odyssey's succeeding commander, Colonel Davidson.

The Russian Daedalus class vessel Korolev appears in the season nine finale, "Camelot", under the command of Colonel Chekov. The Korolev is destroyed in battle by two Ori motherships.

Appearing in the Stargate Atlantis season three finale, "First Strike", the Apollo (Commanded by Abe Ellis) is used in a pre-emptive attack against the Asurans.

The map color behind the colonel's chair and the lighting on each of the ships appears to be color coded. The Prometheus is white, the Daedalus is green, the Odyssey is orange, the Korolev is purple and the Apollo is Blue/Indigo.

Daedalus

The Daedalus is the first starship to be produced of the Daedalus class of battlecruisers, and carries an Asgard engineer (Hermiod) to oversee the ship's Asgard technology. It is believed that each ship takes about one year to construct and at least four Daedalus battlecruisers have been built with two being constructed in a year (The Korolev is rushed into service months before schedule). This may be a result of the funding change that Military Appropriations enacted at the beginning of season nine of SG-1, where 80% of the SGC funding is transferred to 304 production.

The Daedalus is first mentioned in the Stargate SG-1 episode, "Moebius, Part 1", and in the Stargate Atlantis episode, "The Siege, Part 2". The Daedalus made its first appearance in Stargate Atlantis episode "The Siege, Part 3".

Daedalus has also been mentioned in several Stargate SG-1 episodes, including "Ethon", "Company of Thieves" and "The Shroud". The latter where the ship is engaging in a joint operation with the Odyssey to destroy a Pegasus Stargate using a Mark IX tactical warhead for the purpose of disengaging an Ori Supergate.

History

The Daedalus is launched from Earth after the Zero Point Module is found in Egypt and is used to send a force of Marines to Atlantis with it. It took the Daedalus only four days to reach the Pegasus Galaxy and Atlantis with the ZPM powering the ship's Asgard hyperdrive, and while installed, the ZPM provided a significant increase in shield power. This ZPM is removed and used to power Atlantis's shield. Without the Ancient power source capable of powering the Asgard hyperdrive at full power, it takes Daedalus approximately three weeks to travel between Earth and Atlantis.

Hermiod, the ship's Asgard technical adviser, is able to temporarily run the hyper drive at much greater level so as to increase hyperspace speed enough to make it back to Atlantis in time to warn them about a Trust plot. This action places Daedalus at great risk of burning out the ship's engines.

In addition to serving as an effective transport, the Daedalus has experienced marked success in its function as a warship. With the main threat in the Pegasus Galaxy being the Wraith, the Daedalus is usually pitted against Wraith Hive-Ships, which severely outclass the smaller ship in size, fire-power, and the capability of carrying fighter craft. The overall size of the vessels make them difficult to destroy with anything less than nuclear weapons, which are carried in only limited numbers and are easily destroyed prior to detonation against a Hive-Ships hull, generally by suicidal Wraith darts who ram the missiles and destroy them before impact. However, the advanced Asgard shielding aboard the Daedalus has allowed her to stay in a battle long after a Hive-Ship would have succumbed, and she has held her own in battle against the Wraith (sometimes against more than one Hive-Ship) and has scored numerous kills against the larger vessels.

Odyssey

The second USAF production spacecraft of the Daedalus class battlecruiser is called the USS Odyssey. Its design, weapons, and technological capabilities are identical to the Daedalus; however, due to the use of the ZPM and changes made by Daniel Jackson, Odyssey is now capable of cloaking itself. The Asgard make substantial technological upgrades to the Odyssey in the Stargate SG-1 series finale, "Unending", the Odyssey is now equipped with the knowledge of the Asgard and various Asgard technologies, such as an Asgard power core.

After the destruction of the Prometheus in "Ethon", the Odyssey becomes the primary vessel in Earth's defensive fleet.

It is reported in the Atlantis episode "Echoes" (and confirmed in the Stargate SG-1 episode "The Shroud") that one of the ZPMs left by the Asurans who invaded Atlantis is now powering the Odyssey to be used against the Ori.

Initial mission

During the shakedown cruise of the Odyssey, the commander of the vessel, Colonel Emerson, is sent by General Landry to rescue SG-1, who are captured by the Lucian Alliance on P6G-452. SG-1 had been captured after the Stargate on the planet is taken by Baal, preventing them from dialing home.

The ship travels to the P6G-452 in hyperspace, and using implanted identification chips that have been placed in all SGC personnel, the Odyssey is able to lock onto and beam them aboard. The ship is then immediately contacted by General Landry to go and reclaim the Stargates from Ba'al's mothership. SG-1 beamed aboard after Ba'al's ship is disabled and planted tracer beacons on all the Stargates and DHDs, while in the middle of fending off Ba'al's Jaffa. The Lucian Alliance showed up in a small fleet of Ha'tak vessels and ignored the Odyssey's hails, and they attacked Baal's ship. The Odyssey begins to fire on the Lucian ships with its railguns in order to prevent them from destroying Ba'al's ship while SG-1 is aboard. The Odyssey then manages to beam all but one Stargate and DHD before the Lucian ships destroy Ba'al's Ha'tak. That particular Stargate is being used by SG-1 to gate back to Earth, but Colonel Emerson and the Odyssey assume the worst and retreated after the shields are nearly depleted and after doing no significant damage to the Lucian fleet.

During the Odyssey's first mission, its shields are untested and are stated to not be operating at 100% efficiency.

"The Pegasus Project"

The Odyssey is dispatched to the Pegasus Galaxy in the Stargate SG-1 episode "The Pegasus Project", in an attempt to create a stable wormhole between the Pegasus Galaxy and the Ori Supergate in the Milky Way galaxy, to prevent the Ori from sending more ships through it. Attempts by the Asgard to dial out of the gate had already failed; the Supergate could only be dialed into from another Galaxy, and there is insufficient energy produced by a standard Stargate to establish a connection. The Odyssey positions a Stargate near a black hole in the Pegasus Galaxy and using the black hole as the Stargate's power source, establish a connection with a Stargate that has been placed in close proximity to the Supergate. Once established, the Odyssey beams shaped nuclear charges in front of the Stargate in an attempt to force the outgoing wormhole to "jump" to the Supergate, thus forming a connection to it. With a black hole powering the Stargate, the connection could be maintained indefinitely.

The Odyssey performs several unsuccessful attempts to jump the wormhole to the Supergate before a Wraith Hive-Ship detects the nuclear detonations and attacks the Odyssey. Performing a slingshot maneuver around the black hole's gravity well, the Odyssey beams its remaining nuclear warheads into the Hive-Ship that is pursuing them just as it passes by the Stargate. When the weapons are detonated, the resulting detonation of both warheads plus the Hive-Ship sends enough energy through the Stargate to cause the wormhole to "jump" to the Supergate. In addition, the massive unstable vortex produced by the activation of the Supergate engulfs an Ori mothership, destroying it.

Lucian Alliance hijacking

With the possibility of another Ori Supergate in the Milky Way Galaxy, the Odyssey departs Earth to investigate in the Stargate SG-1 episode, "Company of Thieves". On arrival, however, they are ambushed by several Ha'tak-class vessels and are forced into a minefield, which, because their shields are weakened by a nearby neutron star, render the ship disabled. Soon boarded and seized, it is stated that their assailants are members of the Lucian Alliance, who have been sent to destroy or capture the vessel. Demanding that Colonel Carter repair the damage and disable the distress beacon revealing their location, the members of the Alliance kill Colonel Emerson, when he orders her to not assist them in any way.

Acting as though she is repairing the ship, Carter attempts to stall the hijackers until an escape attempt can be made, an opportunity which affords itself when Daniel and Vala are likewise captured and brought to the Odyssey. After retaking the ship and killing the leader of hijackers in the process, the crew returns the Odyssey to Earth for repairs. While the repairs are under-way, the Odyssey is fitted with a ZPM recovered after Atlantis had been retaken from the Asurans, after their occupation.

Sangraal

The Odyssey is part of a plan to deliver Merlin's weapon to the Ori galaxy for the purposes of destroying the Ori outright. Daniel Jackson used his Prior abilities to take control of the ship and transport the crew safely to the surface. After bringing Jack O'Neill on board the Odyssey, they set course for P3Y-229 while the Daedalus enters a parallel position over the Pegasus Galaxy Stargate that is maintaining the Supergate connection.

During the course of the trip, Jackson modified the ship's systems to generate a cloaking field, claiming "Having a ZPM helps". After the weapon is sent through the Supergate on an Ori ship and SG-1 had been evacuated with Asgard transporters, Jackson returns to his original form. Carter had a great deal of difficulty deactivating the cloaking device.

"Unending"

The Odyssey visits the Asgard home planet Orilla in the Stargate SG-1 finale episode "Unending" at the behest of the Asgard. Thor explains that the Asgard are giving humanity all of the knowledge of the Asgard, due to the rapid degradation of their bodies because of a disease they have contracted that will soon cause them to die. Several Ori motherships exit hyperspace nearing the conclusion of the upgrades to the Odyssey, and by retreating to the planet below, the Asgard destroy it as their last act, leaving the Odyssey as their legacy. Soon after the planets destruction, the Odyssey has no other choice but to test its new weapons and shields and, after a number of hits, successfully destroys an Ori mothership.

Other operations

Following the successful retrieval of Daniel Jackson from the Ori and the deployment of the Sangraal, command of the Odyssey is given to Colonel Davidson. Under his command, the Odyssey transports SG-1 to a planet being used by a group of rogue Jaffa under the command of Arkad as a base so that SG-1 could prevent Teal'c from killing Arkad. Later, the Odyssey deploys ground-strike weaponry against a number of naqahdah filled cargo ships destined to be used against Earth by the rogue Jaffa in Arkad's army.

Odyssey is instrumental in the capture of Adria from a mothership under the command of Ba'al. The Odyssey utilizes the cloaking technology Daniel Jackson and Merlin installed in the vessel during the events of "The Shroud" and is used to hold Adria and prevent her escape using Anti-Prior technology. The Tok'ra are summoned to the Odyssey's location to perform a symbiote extraction of Ba'al from Adria. Following the extraction process, Adria breaks free of the restraints and locks Odyssey's infirmary, giving her enough time to ascend.

Korolev

The Korolev is a Daedalus class battle cruiser given to Russia by the USA in exchange for continued use of the Russian Stargate, and is under the command of Colonel Chekov. Just prior to the Battle of P3Y-229, Korolev is rushed to duty in order to defend against an invasion fleet of Ori motherships, though all major systems are complete and the Korolev is fully space worthy.

Korolev carries a compliment of F-302's, having also acquired their plans in the Russian Stargate exchange. The ship is equipped with Asgard beaming technology, as demonstrated on Dr. Jackson and Col. Mitchell. Six members of Korolev's crew are saved by beaming to the Odyssey; the episode does not reveal who survived. Dr. Jackson also escapes by ringing aboard one of the Ori ships and Col. Mitchell escapes in an F-302.

Apollo

The USS Apollo is a 304 commanded by Colonel Abe Ellis. It arrives at Atlantis with a weapons platform, code named Horizon which contains six Mark IX "Gatebuster" warheads and 4 decoy warheads. In conjunction with the Atlantis team, Colonel Ellis and the Apollo successfully deploys the Horizon weapons platform against the Asuran homeworld, targeting key military sites where new warships are being constructed. They are successful in destroying all the Asuran vessels, along with most secondary targets.

Following the attack on the Asuran home world, Apollo returns to Lantean orbit. There it attempts to destroy a stripped down Asuran satellite-ship that arrived in orbit over the city containing a Stargate through which an energy beam is sent from the Asuran Home world. The beam is momentarily turned on the Apollo immediately after its initiation. The vessel's shields are heavily drained by the Asuran energy weapon. After that point Colonel Ellis pulls his ship back but remains in the vicinity of Atlantis. Apollo fires a number of missiles, proving ineffective against the satellite-ship's shields.

With no way for Apollo or Atlantis to disable the satellite-ship, a plan is devised by Doctor McKay and Colonel Sheppard to bring an asteroid from the area around Lantea, which they had previously assumed is left from a second, since destroyed moon, into the path of the Asuran weapon long enough to allow Atlantis to fly to another world. F-302's launched from Apollo's fighter bays, under the command of Major Lorne, latch onto the asteroid and maneuver it from from the system's debris field and into the energy weapon's path. Apollo transports all non-essential personnel off the city just before the plan to fly the city to another world is about to begin. "First Strike" does not state if the Apollo enters for hyperspace before Atlantis takes flight, or if the ship remains to monitor the satellite.

Bomb Bay

The Apollo is equipped with a bomb bay with an attached observation and control deck. From this bay, it can deliver such payloads as the Horizon Weapons System.

Battle of P3Y-229

The season nine finale, "Camelot", sees the Odyssey and the Korolev, both a part of a combined Tau'ri, Jaffa, Asgard, Tok'ra and Lucian Alliance fleet sent to intercept and stop the Ori fleet from arriving through a Supergate constructed around P3Y-229. The Lucian Alliance ships are shown to arrive late into the battle. The Asgard vessel is an O'Neill class, piloted by the Asgard Kvasir. En route, the Korolev is ordered to collect SG-1 and report immediately to the Supergate. Their standing orders are to destroy the Supergate by any means necessary.

The episode shows both the Odyssey and Korolev faring better than the Jaffa vessels in the opening moment of the engagement; apparently, their Asgard-designed shields are far better at withstanding the opening attacks from the Ori vessels. Although the episode did not show the Asgard vessel being destroyed, it is seen fighting the Ori ships and taking numerous hits which appeared to be absorbed by its advanced shielding. However, as the engagement continues, both Earth vessels lost main power systems and main engines, rendering them "sitting ducks" to the Ori mothership's weapons.

Nearing the conclusion of the battle, with most of the vessels opposing the Ori destroyed, both Odyssey and Korolev remain largely intact (though incapable of continued combat), until a number of Ori vessels concentrated their fire on the Korolev, cutting the vessel's hull in half before the ship explodes.

At least one F-302 from the Korolev survives its destruction and is retrieved by the Odyssey following the conclusion of the engagement. Only six members of the Korolev's crew are beamed aboard the Odyssey. Daniel Jackson uses a set of the Korolev's rings to escape onto an Ori mothership and Colonel Mitchell uses an F-302 to escape the Korolev. Colonel Chekov's fate is not stated.

References

1. ^ "Off the Grid". Stargate SG-1. {{cite episode}}: Unknown parameter |episodelink= ignored (|episode-link= suggested) (help); Unknown parameter |serieslink= ignored (|series-link= suggested) (help)
2. ^ "Crusade". Stargate SG-1. {{cite episode}}: Unknown parameter |episodelink= ignored (|episode-link= suggested) (help); Unknown parameter |serieslink= ignored (|series-link= suggested) (help)
3. ^ "Camelot". Stargate SG-1. {{cite episode}}: Unknown parameter |episodelink= ignored (|episode-link= suggested) (help); Unknown parameter |serieslink= ignored (|series-link= suggested) (help)
4. ^ "Moebius, Part 1". Stargate SG-1. {{cite episode}}: Unknown parameter |episodelink= ignored (|episode-link= suggested) (help); Unknown parameter |serieslink= ignored (|series-link= suggested) (help)
5. ^ "Flesh and Blood". Stargate SG-1. {{cite episode}}: Unknown parameter |episodelink= ignored (|episode-link= suggested) (help); Unknown parameter |serieslink= ignored (|series-link= suggested) (help)
6. "No Man's Land, Part 2". Stargate Atlantis. {{cite episode}}: Unknown parameter |episodelink= ignored (|episode-link= suggested) (help); Unknown parameter |serieslink= ignored (|series-link= suggested) (help)
7. "The Siege, Part 3". Stargate Atlantis. {{cite episode}}: Unknown parameter |episodelink= ignored (|episode-link= suggested) (help); Unknown parameter |serieslink= ignored (|series-link= suggested) (help)
8. ^ "First Strike". Stargate Atlantis. Cite error: The named reference "First Strike" was defined multiple times with different content (see the help page).
9. ^ "Family Ties". Stargate SG-1. {{cite episode}}: Unknown parameter |episodelink= ignored (|episode-link= suggested) (help); Unknown parameter |serieslink= ignored (|series-link= suggested) (help)
10. "Prometheus". Stargate SG-1. {{cite episode}}: Unknown parameter |episodelink= ignored (|episode-link= suggested) (help); Unknown parameter |serieslink= ignored (|series-link= suggested) (help)
11. "The Siege, Part 3". Atlantis. {{cite episode}}: Unknown parameter |episodelink= ignored (|episode-link= suggested) (help); Unknown parameter |serieslink= ignored (|series-link= suggested) (help)
12. "Moebius, Part 2". Stargate SG-1. {{cite episode}}: Unknown parameter |episodelink= ignored (|episode-link= suggested) (help); Unknown parameter |serieslink= ignored (|series-link= suggested) (help)
13. "The Siege, Part 2". Stargate Atlantis. {{cite episode}}: Unknown parameter |episodelink= ignored (|episode-link= suggested) (help); Unknown parameter |serieslink= ignored (|series-link= suggested) (help)
14. "The Intruder". Stargate Atlantis. {{cite episode}}: Unknown parameter |episodelink= ignored (|episode-link= suggested) (help); Unknown parameter |serieslink= ignored (|series-link= suggested) (help)
15. "Critical Mass". Stargate Atlantis. {{cite episode}}: Unknown parameter |episodelink= ignored (|episode-link= suggested) (help); Unknown parameter |serieslink= ignored (|series-link= suggested) (help)
16. "The Shroud". Stargate SG-1. {{cite episode}}: Unknown parameter |episodelink= ignored (|episode-link= suggested) (help); Unknown parameter |serieslink= ignored (|series-link= suggested) (help)
17. "Echoes". Stargate Atlantis. {{cite episode}}: Unknown parameter |episodelink= ignored (|episode-link= suggested) (help); Unknown parameter |serieslink= ignored (|series-link= suggested) (help)
18. "Talion". Stargate SG-1. {{cite episode}}: Unknown parameter |episodelink= ignored (|episode-link= suggested) (help); Unknown parameter |serieslink= ignored (|series-link= suggested) (help)
19. "Dominion". Stargate SG-1. {{cite episode}}: Unknown parameter |episodelink= ignored (|episode-link= suggested) (help); Unknown parameter |serieslink= ignored (|series-link= suggested) (help)

Template:StargateTech

• Stargate spacecraft
• Fictional motherships