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For other uses, see Excalibur.

In the mirror universe, the ISS Excalibur (NCC-1664) was a Terran Imperial starship, a Constitution-class vessel in Imperial Starfleet service in the 23rd century.

Service history[]

In the year 2268, the Excalibur was ordered to test the new M-5 multitronic computer that had been developed. One of the tests was to participate in wargames against several other starships, including the ISS Enterprise. During the wargames, the M-5 computer supposedly malfunctioned and launched an assault with full weapons power against the Enterprise. The Enterprise was able to survive the assault, and Captain Spock later suspected it was an attempt to assassinate him. (TOS - Mirror Universe novel: The Sorrows of Empire).

The Excalibur remained under the malfunctioning computer's control for decades afterwards, in the Daystrom Testing Grounds, where the vessel was stored. Excalibur was one of the four starships in M-5's fleet that assaulted the ISS Excelsior in the 2290s decade. (TOS video game: Shattered Universe)

ISS Excalibur seems to be the mirror universe counterpart of the USS Excalibur (NCC-1664), a Constitution-class starship, in service in the 23rd century.

Connections[]

Ships named Excalibur
Federation Starfleet
(primary universe)
USS Excalibur (2240s-era starship)USS Excalibur (NCC-1664, Constitution-class)USS Excalibur II (Constitution-class)USS Excalibur (Miranda-class)USS Excalibur (NCC-2004, Excelsior-class)USS Excalibur (NCC-26517, Ambassador-/Yamaguchi-class)USS Excalibur (NCC-26517-A, Galaxy-class)USS Excalibur (NCC-94547, Excalibur-class)USS Excalibur (NCC-1664-M, 3060s-era Constitution-class)see also: Excalibur-class Federation icon image. {{{2}}} icon image.
Federation Starfleet
(Kelvin timeline)
USS Excalibur (Arbiter-class)USS Excalibur (Constitution-class)USS Excalibur (Defender-class)USS Excalibur (Guardian-class)USS Excalibur (Interceptor-class) {{{2}}} icon image. {{{2}}} icon image.
United Earth Starfleet Excalibur (NX-03, NX-class) {{{2}}} icon image. {{{2}}} icon image. Terran Empire, Starfleet
(mirror universe)
ISS Excalibur (NCC-1664, Constitution-class)ISS Excalibur (NCC-94547, Excalibur-class) {{{2}}} icon image. {{{2}}} icon image.
Khanate of Earth, Earthfleet
(alternate timeline)
Excalibur (Earthfleet starship) {{{2}}} icon image. Galactic Commonwealth, Starfleet
(mirror universe)
free starship Excalibur (Mogai-class) {{{2}}} icon image.
Early series of Constitution-class class I/class XI heavy cruiser starships
Federation, Starfleet built to mk I specifications ConstellationConstitutionDefiantEndeavorEnterpriseExcaliburExeterFarragutHoodIntrepidKongoLexingtonPotemkinRepublicValiant (I)Yorktown Emblem of the United Federation of Planets. Seal of the Federation Starfleet.
various specifications AlexanderAsimovBraheConfederateEnterprise (Vardaine copy)Excalibur IIGloryIndomitableIsshasshteReuben JamesJohn F. KennedyMendelNautilusOlympus MonsOrtiseiPathfinderSurakTao FengTrexelpriseTrojanVentureZimbabwe

see also: unnamed Constitution-class starshipsConstitution-subclass (3060s refit): ArmstrongExcalibur-MNobleExeter-subclass: Exeter-CKirkExcalibur-subclass: ExcaliburTuckerVesper-subclass: VesperMontrealOakland

Terran Empire, Starfleet
(mirror universe)
ConstitutionCarnageConstellationBansheeDefiantEnterpriseExcalibur (23rd century)Excalibur (Excalibur-subclass)ExeterHoodKodosLexingtonNobunagaPotemkin Seal of the Terran Empire.
23rd century subclasses: Bonhomme Richard-subclass (mk II) • Achernar-subclass (mk III) • Tikopai-subclass (mk IV) • Enterprise-subclasses (mk I-III refits)

24th and 25th century subclasses: Excalibur-subclassExeter-subclassVesper-subclass • other Constitution variants
31st and 32nd century subclass: Constitution-subclass

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