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General info

The Daedalus is a BC-303 sent from Earth to bring a ZPM to Atlantis, and to offer aid in the fight against the Wraith. (The Siege part 3)

It's loaded with Asgard  technology, including an Asgard hyperdrive (allowing it to make the trip between Earth and Atlantis in a matter of weeks without the help of a ZPM -- with a ZPM, it's a matter of days),  shields, and transport/beaming technology. (The Siege part 3)

The trip between Earth and Atlantis takes about 18 days at 'regular' speeds. (The Intruder)

The transporters have failsafes built in to keep them from being used as a weapons delivery system. (The Siege part 3)

The navigational software  aboard the ship's complement of F-302s is compatible with the Daedalus's sublight system. (The Intruder)

The life support systems are totally isolated from the other ship's systems to protect them. (The Intruder)

When it approaches the city, it uses the east pier as a landing pad. (The Siege part 3)




Colonel Steven Caldwell

Technically he's SGC personnel (and wears an SGC patch on his arm, as well as a Daedalus patch over his pocket). (The Siege part 3)

Commander of the Daedalus, a BC-303 (Prometheus class) assigned to travel between Atlantica and Earth. (The Siege part 3)

He was part of the meeting (along with Weir, General Landry, and several others) that sorted out the new personnel and makeup of the Atlantis expedition. He believed that Atlantis would need a larger military contingent to go along with its increased scientific personnel, and wanted to be appointed military commander of the base. He wasn't thrilled that Sheppard got the posting instead, but accepted it. (The Intruder)

On the trip back to Atlantis with Atlantis personnel and supplies aboard, Caldwell was less than happy with Weir's questioning of his orders regarding the Daedalus's movements -- or rather, that she'd questioned them in front of other people. (The Intruder)

When Dr. Monroe died, Caldwell initially refused to drop the ship out of hyperspace, assuming the death was an unfortunate accident and not wanting to risk detection. When McKay determined that it may not have been an accident -- that Monroe might have been killed to keep from discovering a problem with the ship -- Caldwell immediately changed his mind and dropped them out into normal space. (The Intruder)

He was (still?) on Atlantis when Major Lorne's team found evidence that Ford might be alive. He warned Sheppard that Ford was no longer his friend, and told him to be prepared to take him out if necessary. (Runner)

He was very displeased to find out that Sheppard had had Ford in his sights and had let him go -- even though Sheppard had shot him. Worse, Ford had 'escaped' to a Wraith dart via a culling beam, putting him in the hands of the enemy with vital information about Atlantis and Earth, which Caldwell was certain they couldn't trust him not to tell. (Runner)

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The Asgard 'consultant' assigned to the Daedalus. He handles the bulk of the Asgard technology aboard the ship from the engine room, assisted by Dr. Lindsey Novak. (The Siege part 3)

He wasn't happy when Caldwell sent orders to Novak asking them to set up a site-to-site transport lock to send a warhead onto the last remaining hive ship during the battle over Atlantis -- but he did it. He was even less happy when they decided to re-use the strategy against the next wave of approaching hive ships before they could reach the Atlantis system, but he did it with better grace than before, seeming to get more used to it. (The Siege part 3)

He doesn't like to be stared at. (The Intruder)

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Dr. Lindsey Novak

Technically she's SGC personnel. Part of the Daedalus crew. She worked with Hermiod on the Asgard-technology (especially the Asgard hyperdrive) parts of the ship. (The Siege part 3)

She was originally supposed to be part of the Atlantis expedition, but didn't go because she doesn't handle stress well. Instead, she took a position on the Prometheus, and was aboard during Prometheus's aborted attempt to reach the Pegasus galaxy. She apparently transferred to the Daedalus some time after that. See Novak for more detail. (SG1: Prometheus Unbound)

She wasn't happy to be asked to set up a site-to-site transport lock into a Hive ship, knowing it would be to send a bomb and that it would anger Hermiod -- the Asgard had put failsafes in the beaming technology to prevent them it from being used as a weapons platform. She did it, though, and did it again later when Weir and Caldwell decided to send the Daedalus out to attack a new wave of approaching hive ships before they could reach the Atlantis system. Hermiod got more used to the idea as they kept doing it. (The Siege part 3)

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The Daedalus is loaded with Asgard technology, giving it an advantage over hive ships.

Hyperdrive (Asgard)

Its Asgard hyperdrive allows it to make the trip between Earth and Atlantis in a matter of weeks -- 18 days on average, at 'regular' speeds -- without the help of a ZPM. A ZPM would push the travel time to just a few days. (The Siege part 3, The Intruder)

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Life support

The life support systems are totally isolated from the other ship's systems to protect them. (The Intruder)

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The shields are Asgard-enhanced. (The Siege part 3)

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Transporter beam

Uses an Asgard sensor to lock onto its targets. The sensor is located in the ship's transmitter array. (The Intruder)

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General info

The Daedalus's standard mission is to go back and forth between Earth and Atlantis, carrying supplies, personnel, etc. Each one-way trip takes just under three weeks.

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First mission to Atlantis:

The first mission was specifically a rescue mission. The Daedalus was sent to help defend Atlantis against an invading force of Wraith hive ships. It made the trip in a matter of days, not weeks, with the help of a working ZPM tied into its hyperdrive engines. The ship, under Caldwell's command, successfully went after the remaining hive ships, destroying them. (The Siege part 3)

When new hive ships were spotted on distant approach, Caldwell took the Daedalus out to strike first. It worked, destroying two of the 12 new ships, but the Daedalus was damaged in the ensuing battle and had to run back to Atlantis and land for repairs. (The Siege part 3)

Caldwell agreed to use the ship as a refugee ship should the battle go badly (as they all expected it to), taking as many people as possible and heading back out into space. (The Siege part 3)

When the city managed to be cloaked instead, saving it from destruction, Caldwell and the Daedalus headed back for Earth so it could be used to bring the next wave of personnel and supplies to the city. (The Intruder)

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Second mission to Atlantis

The second trip to Atlantis was to bring the existing senior staff, along with the new personnel and supplies, back to the city. (The Intruder)

During the trip, people started dying when they got too close to figuring out malfunctions. Hermiod, digging around in the computer systems to try to find any sabotage, discovered a virus -- which was spreading from navigation to communications and propulsion, and rewriting itself as it spread. McKay ran the virus through a translation program and discovered that it was Wraith. (The Intruder)

It was discovered mainly in the navigational systems, which McKay deduced was the primary purpose -- it was meant to take control of the ship's navigation and bring it straight to the Wraith. (The Intruder)

It managed to transfer itself to the F-302 that Sheppard was flying to destroy the transmitter array, locking his controls so he couldn't return to the Daedalus. It sent him flying ever faster out into space.  He  had  to  be  beamed  back  aboard  the  Daedalus. (The Intruder)

The crew made several attempts to destroy the virus. (The Intruder)

The first attempt was a complete system shutdown and reboot, reloading everything from clean backups. It failed. The virus regained control and took over navigation, aiming the ship toward the coronasphere of the nearest sun, hoping to kill all the people aboard while leaving the ship intact for the Wraith. (The Intruder)

McKay figured out that the virus must have hidden in an F-302, and he and Sheppard went to pull all the memory from the 302s in the bay. The virus opened the bay doors to kill them before they could damage it, but Hermiod managed to put a forcefield up to hold the air in just barely long enough for them to yank out the memory from each ship and take shelter in the final one. That done, Hermiod did another complete shutdown and reboot -- which again failed, leaving the ship still on target for the coronasphere. (The Intruder)

Sheppard realized that they'd missed one ship -- the F-302 that he'd been trapped in and had to be beamed out of after taking out the transmitter array. With McKay in the second seat, he took their F-302 out and destroyed the virus-controlled ship, almost in the star's coronasphere. (The Intruder)

The virus was an AI, capable of adapting to new situations and defending itself. It killed Monroe and Lindstrom when they got too close to discovering it. (The Intruder)

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