The USS Explorer (NCC-1966) was a Constitution-class Federation starship active in the late 23rd century.

The Explorer was commanded by Captain Gibson during the Metar Crisis of 2290 to 2291. From stardate 8987.4 until 9133.4 this starship supported the efforts of Starfleet's Colonial Operations division in the Tabula Rasa systems as the Federation attempted to open diplomatic relations with the indigenous population of these worlds--the Taubat--and protect them from the Klingons and Romulans as both those powers tried to exploit their worlds.

The Federation took the wrong approach in this respect, as the Taubat turned out to be a genetically-engineered vassal race who, under the Federation's protection, managed to reawaken their masters, the Metar. This re-awakening led to heavy losses amongst all three powers until the Metar could be re-imprisoned, with the help of the Metar's own ancient enemy, the Hubrin.

The wreck of the Explorer on Al-Fadir.

Among the Federation's losses in this campaign was the USS Explorer, which crash-landed--mostly intact--on the surface of the desert planet Al-Fadir on or just before stardate 9133.4.

A close-up of the wreck of the Explorer on Al-Fadir.

With the Metar occupation of Al-Fadir and the subsequent re-sealing of the Tabula Rasa systems into inter-dimensional space, Starfleet was unable to savlage the wreck. She will remain stuck in the sands of Al-Fadir for millennia to come.

(Game: New Worlds)

This ship was seen in-game, as well as being listed in the game manual and shown in the introduction movie with the given name and registry number clearly written on her hull.
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): ArmstrongCuyahogaExcalibur-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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