The USS Spann was a Ranger-class explorer in service in the 23rd century. (Decipher RPG module: Starfleet Operations Manual)

In 2244, the Spann fought with Federation starships at the Battle of Donatu V against a Klingon fleet. (Decipher RPG module: Starfleet Operations Manual)

The Decipher guide says the battle occurred in 2242.
Ranger-class starships
UFP seal BastionCarolinaChallengerCoronadoDecaturDuncanExplorerHalseyIndomitableOrleansRangerRevereSal'kothSolzhenitzynSpannSpringfieldValiant Starfleet Command logo
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