Star Trek Expanded Universe
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USS Excalibur (NCC-1664) was a Constitution-class heavy cruiser active in Starfleet service during the 23rd century. (TOS: "The Ultimate Computer")

The Star Fleet Technical Manual had the registry as NCC-1705.

Excalibur 's commanding officer, ca. 2252, was Captain Dmitri Vlasidovich, who was of the same Starfleet Academy class as Christopher Pike and Hood 's then-CO, Michaela Harrari. (TOS novel: The Children of Kings)

As a junior officer, James T. Kirk had served on Excalibur with Mike Walsh, future commanding officer of the second Constitution-class USS Constellation. (TOS novel: My Enemy, My Ally)

Excalibur's CO during the mid-2260s was Captain Harris.

Some sources list Captain Harris' first name as Thomas, others as Timothy. In Star Trek: Excalibur, it is Anton.

Terise Haleakala-Lobrutto had been an officer in the Sciences division of Excalibur but apparently transferred off prior to the M-5 incident. (TOS novel: The Romulan Way)

In 2268, Excalibur was severely damaged during exercises with the USS Enterprise. The Enterprise, under the control of the malfunctioning M-5 computer, fired its phasers at full power easily penetrating the minimally power shields of the Excalibur, killing the entire crew. (TOS: "The Ultimate Computer")

Post-refit[]

In 2272, the Excalibur, along with much of the Constitution fleet, was refitted. (Ship Recognition Manual, Volume 4: Starships of the Original Series Era)

USS Excalibur, USS El Dorado, and USS Lexington were assigned to the 378th Cruiser Squadron in 2283 during the Klingon Empire's Taal Tan Offensive. They engaged a battle fleet of nine Klingon vessels. Excalibur and El Dorado sustain damages in the attack, but the Klingons were beaten back across the border. (The Taal Tan Offensive)

Rear Admiral Gregory Young commanded Excalibur -- at the time, deployed to the Starfleet Thirteenth Fleet -- in 2286. Young had been in command since 2280. (Starfleet Communiqué 20)

A Prime Team called the "Templars" was assigned to Excalibur. (Task Force Games: UFP: The Federation Sourcebook for Prime Directive)

The Excalibur was finally decommissioned in 2297. (Ship Recognition Manual, Volume 4: Starships of the Original Series Era)

Fan continuities[]

Avalon Universe[]

The registry for Excalibur in this continuity was NCC-1705.

Lieutenant Amanda Beck, Starbase 6's science officer, and Excalibur executive officer James Laws, had dated years prior to the M-5 Incident.

Commodores Enwright and Wesley were recalled to Sector 001 to appear before a board of inquiry after the Incident. Commander Derek Mason was tasked with taking an away team to the Excalibur to stabilize its antimatter systems so the ship could be repaired. Lieutenants Beck and Jamie Archer were part of that team. (Ghost Ship)

On the repaired Excalibur, the forward photon torpedo tubes were moved from the primary hull to the interconnecting dorsal between the primary and secondary hulls. (Avalon Lost)

Captain Lance Ramirez assumed command of the Excalibur after the extensive repairs were completed. Beck, newly promoted to commander, was posted as executive officer and chief science officer. (Demons, Air and Darkness)

During a battle with Klingons at Gamma Hydra, the ship's starboard warp nacelle was damaged, and Excalibur was towed to Starbase 6 for repairs. (New Orders)

Excalibur Logs[]

Captain Kelly Davis was the commanding officer of the Excalibur in this continuity. Most of her senior staff were female officers.

One of the Excalibur shuttlecraft was named the Sally Ride. (Who Haunts This Ship?, The Haunting)

Orion Press[]

Captain Conrad was Excalibur's commanding officer from 2270-81. Lieutenant Commander Sorenson was chief engineer from 2268 to 75. (Orion Press: "Scotty's Vacation")

During the Kelvan War in 2285, Excalibur, under Captain Croft, was assigned to Task Force Four and was one of the few survivors of the engagement against the Kelvans. Her personnel were rescued by ships from Task Force Six. (Orion Press: In Harm's Way)

Star Trek: Black Hawk[]

Admiral Higdon, in his genealogical research on his family found that his great-grandfather, J.C. Snell, commanded the Excalibur shortly after her refit to an Enterprise subclass.

Star Trek: Excalibur[]

The registry for this Excalibur was NCC-1705.

Following the M-5 incident the Excalibur was salvaged. During its repairs it was partially refitted and served as a testbed for several of the upgrades that would be later applied to refit the Constitution class. After 18 months in drydock the Excalibur was relaunched under the command of Captain Thomas Nelson. (Star Trek: Excalibur: "Homecoming")

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