The Beliskner-Class Ship is the name for the most commonly seen type of Asgard ship. It is named after the first ship of its type seen in the series, the Beliskner, commanded by Thor, Supreme Commander of the Asgard Fleet. The first time we see the Beliskner-Class is in the episode 3.22 "Nemesis", although it was indirectly seen in 2.06 "Thor's Chariot".
The Beliskner-Class are shown to be capable of very fast hyperspace travel and utilizing sophisticated cloaking devices to mask their presence from all manner of scanning devices. Their technology is shown to allow them to cross enormous interplanetary distances within minutes, and they quite proudly mention that they have never before been detected in all their visits to Earth. (6.12 "Unnatural Selection", concerning their hyperspace capability; 3.03 "Fair Game" and 3.22 "Nemesis", concerning their cloaking technology)
The Beliskner-Class are powered by four neutrino ion generators, with thrust generated by two rear thrusters, and utilize a forward-mounted deceleration drive to control planetary reentry. Internal dampening fields and other measures prevent internal explosions from damaging the ship. (3.22 "Nemesis") With all the technological sophisitication, there is no direct, easy way to destroy this ship. All Beliskner ships are shown to have only one Asgard aboard, but it is suggested in "Nemesis" that there is a small crew accompanying.
Asgard computer technology utilizes a series of round polished stones that can be placed upon different points on a console, then rotated to access different files. Technical schematics and interactive internal maps of the ship can be displayed by utilizing this computer system. Internal sensors can detect both the presence of normal lifeforms by heat signatures, as well as an unknown sensor that can detect Replicators. These sensors are destroyed first when the Replicators board Asgard ships. Each ship has automated medical treatment systems, which includes a medical stasis pod that can be used in the event of a dire emergency. (3.22 "Nemesis") Asgard ships and their computer systems are particularly susceptible to Replicator infestation and takeover owing to the Asgard high level of technology.
For defensive and offensive capablities, Beliskner-Class ships are equipped with defensive energy shields and a number of high-energy weapons systems. A single Asgard ship has demonstrated it is more than a match for Goa'uld Ha'tak motherships. (2.06 "Thor's Chariot", 3.06 "Point of View") However, Goa'uld warships that have been upgraded with Ancient technology by Anubis have been shown to pose a greater threat but still are not equal to Asgard technology. (5.22 "Revelations")
- 2.06 "Thor's Chariot"
- 3.03 "Fair Game"
- 3.06 "Point Of View"
- 3.22 "Nemesis"
- 5.22 "Revelations"
- 6.12 "Unnatural Selection"
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