- For other uses, see Theseus.
The USS Theseus (NCV-88050) was a 26th century[1] Federation starship, the Theseus-class temporal escort prototype in Starfleet service in the in the 2550s[2] decade. (STO website: Agents of Yesterday: 26th Century Ship Stats)
Service history and disposition[]
Namesakes and precursors[]

The USS Perseus in 2270.
The Theseus design was based on the 23rd century Perseus-class escort. (STO - Agents of Yesterday mission: "Welcome to Earth Spacedock")
The USS Perseus was active in the late 2260s and early 2270s decades. (STO website: Agents of Yesterday: 23rd Century Ship Stats)
The ships shared the arrangement of its components, consisting of a saucer section with a navigational deflector at the bow and the bridge situated in the dorsal center. A shuttlebay sat at the aft end of a short engineering hull that connected directly into the saucer. Downswept nacelle pylons extended from either side of the secondary hull, each holding a warp nacelle. (STO - Agents of Yesterday mission: "Welcome to Earth Spacedock")
Active service[]

The Theseus class.
The Theseus was active around by the year 2554, and participated with its sister ships in the Battle of Procyon V between the Federation and the Temporal Liberation Front. Its registry number contained the NCV prefix. (STO - Future Proof mission: "Ragnarok")
It was one of several 26th century starships that entered Starfleet service in 2409 due to time travel and that era's participation in the Temporal Cold War. (STO - Agents of Yesterday mission: "Welcome to Earth Spacedock")

Theseus in 2410.
From 2410 onward[5], the Theseus represented its class in the Starfleet Shipyards Operations interface. (STO - Klingon War mission: "Welcome to Earth Spacedock")
Khitomer Alliance flag officer in, or aligned with, Starfleet, deployed Theseus for missions around the galaxy's four quadrants as part of the four-quadrant strategy. (STO - Klingon War mission: "Welcome to Earth Spacedock", admiralty system)
Appendices[]
Connections[]
Perseus-class starships | |||
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Federation Starfleet (primary universe) |
standard configuration | Perseus | ![]() ![]() |
variant configuration | Theseus-subclass: Mjolnir • Theseus |
Ships named Theseus | ||
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USS Theseus (NCC-552, Cochise-class) • USS Theseus (NX-1887, Theseus-class) • USS Theseus (NX-1987, Discovery-class) • USS Theseus (NCV-88050, Theseus II-class) • see also: Theseus-class (23rd century) • Theseus-/Discovery-class (24th century) • Theseus II-class (26th century) | ![]() |
Appearances and references[]
- STO website: Agents of Yesterday: 26th Century Ship Stats
- STO website: Agents of Yesterday: Art of 26th Century Ships
- STO - Agents of Yesterday mission: "Welcome to Earth Spacedock"
- STO - Future Proof mission: "Ragnarok"
- ST - Godshock comic: "Part 4"