. "yes"@en . . "2289"^^ . . . "Active"@en . "2288"^^ . . . "The USS Excalibur was an Excalibur I-class Prototype launched from San Francisco Fleet Yards in 2288 and severed the Federation through the 23rd and 24th centuries."@en . "USS Excalibur (NX-79000)"@en . . "yes"@en . "Excalibur I"@en . . "USS Excalibur"@en . "2285"^^ . . "NX-79000"@en . "The USS Excalibur was an Excalibur I-class Prototype launched from San Francisco Fleet Yards in 2288 and severed the Federation through the 23rd and 24th centuries."@en . .