2143 – Zoenamy

With the outbreak of the Romulan War the Earth Starfleet was in desperate need of ships to supplement the fleet, and the shipyards of Alpha Centauri offered the cheap mass produced Zoenamy as a solution. The design had been developed to meet Alpha Centauri Space Navy requirements for a patrol vessel, and the long range of the design due to it’s efficient propulsion system meant that the design was well suited for adoption by the Earth Starfleet as an escort Corvette. The design was notable as being the first ‘alien’ design adopted by the Earth Starfleet in large numbers to act as an armed picket patrol vessel, some forty of the 119 ships built in total saw service in Earth Starfleet.

The Alpha Centauri Zoenamy class was the basis of the later of the highly successful Djartanna Class Destroyer.

Class: III Year: 2156
Ship Source: FASA (Romulan War Page 13) Ship Datasheet:



2248 – Mission X

The Mission-X was ordered by Starfleet Intelligence Command in 2248. Externally identical to the standard Mission Class scout/courier, the Mission-X had a combat capability greater than many destroyers and cruisers. The major drawback of the design was the high cost of fitting such components into a small hull. Additionally the design compromised the crew facilites and fuel storage, making missions of more than seven days duration impossible.

Prior to the Four Years war the ships were primarily used in Intelligence gathering duties along the border away from the glare of publicity. But war changed that, as some of these ships were stationed at what became known as ‘Malta Station’ which was beseiged by Klingon Forces for much of the war. The ships assigned to that station earned Federation wide fame for their brave actions supporting the defence of the station. These four ships ‘Faith’, ‘Hope’, ‘Charity’ and ‘Desperation’ collectively destroyed 34 Klingon Vessels, and crippled a further 46. Starfleet refuses to confirm whether the original four ships survived the war, or whether they were secretly replaced during the war after being destroyed.
30 Mark 1 ships were built, and 20 new build Mark 2s. The 18 Surviving Mark 1 vessels were uprated to Mark 2 standards, the only difference being the FWA-2 engine installation.

2256 saw the testing of an enhanced Phaser and Photon Torpedo armed Mark 3 version. This ship was marginally less combat effective than the Mark 2 and more expensive to build. Only the prototype vessel was built of this mark as it was clear that the earlier ships were still highly effective. The Mission-X class was finally withdrawn from service in the 2280’s, it was the last FL/FAC Armed ship on the active service list. Rumours do persist though of special variants still serving with Intelligence command, but these cannot substantiated.

Class: III Year: 2248
Ship Source: FASA/Steve Bacon Ship Datasheet: Download PDF


2253 – Osprey

The Osprey class was an escort design created by Chandley Works, and put into mass production during the Four Years War in 2253. As with other wartime builds the class was built to mercantile hull standards, but it was so successful that postwar another batch built to Starfleet standards was ordered to replace the war weary escort fleet.

To maximise production, the Mk1 retained the tried and trusted L14 computer, and used a mix of FL5 and FL6 lasers. At a cost of 261 MCr the Osprey Mk1 was arguably one of the most cost effective combat vessels produced during the war. The Mk1 continued in production alongside the Phaser armed Mk2 which commenced construction in 2255, the Mk1 was actually better armed than the later model and also was only slightly less combat efficient – but two Mk1s could be produced for the cost of a single Mk2 and wartime economics and limits on the production of the new phasers ensured the older model continued in production until 2259, while the Mk2 ceased production in 2258.

2261 saw the definitive Mk3 enter service, equipped with the M1 computer and much enhanced weaponry and shields, the Mk3 soon became the standard escort version. A number of older vessels were refitted to this standard.

Many of the early Ospreys have been sold on to act as Police and Customs vessels, or to allied powers were they are frequently used in a light destroyer role.

The success of the Mk1 Osprey and its survival in production after the Mk2 is clear testimony to the well balanced and cost effective nature of the earlier version – traits which served the beleaguered Starfleet of the four years war very well.

Class: IV
Year: 2253
Ship Source: Based on early concept for Kiaga class PA
Ship Datasheet: Download PDF

2261 – Blade

The Blade class entered service in 2261 addressing concerns around the Signal intelligence (SIGINT) capabilities of the fleet, the name derived from the bladeship nickname that the design earned.

Bladeships are fully equipped with sensors and receivers for use in reconnaissance and surveillance, the huge blade housing massive arrays for monitoring communications and providing SIGINT.

Although the Bladeship design had some weaponry, the design as drafted was meant to fight running away (unusually it had two torpedo tubes firing aft but only one firing forward).

The designer of the bladeship, Commander Deitrick (unusually an operational intelligence office) based the design on his own experience of what was required in the role. After submitting the design to his superiors as part of a post mission debrief he was soon informed that a prototype would be built.

The first ship, USS Dagger, was built by Chandley Works and commissioned in 2261. The speed and intelligence gathering capabilities of the design impressed Intelligence command and series production was ordered.

The Mk1 mounted standard Starfleet systems and was intended for use on the UFP side of border areas.

The Mk2 swapped standard systems for an exotic blend of Orion and federation technology, partly for the cover story that those ships were not UFP, and partly for the opportunity to use the Orion systems that were well talilored for small craft. Use of an Orion computer system   was controversial, but it worked well. Also questioned was the choice of the higher efficiency but lower powered OSI shield generator compared to the FSH of the Mk1, however given the limited power of the single FWC-1 it and the intention of the class to use speed as it’s main defence this was deemed a sensible tradeoff.

For its size the Blade was the fastest ship in known space (indeed it was unmatched until the Enterprise class entered service), but couldn’t take a whole lot of damage the best defence the class had was that sheer speed – and its parting gift of twin torpedoed!

The Mk2 Blade also had stealth-shields that were the closest thing Starfleet had to a cloaking device. The Mk3 which entered service in2271 continued the mixed technology from the Mk2, while mounting three of the more potent FP-7 torpedoes to replace the earlier FP-2.


Although not meant for combat, the Blade when handled well can be deadly. In 2265 the USS Claymore was intercepted in disputed space by three IKS cruisers. The Claymore’s captain, realising that his direct escape route was cut off by IKS space, chose to engage his opponents by reversing into combat at full reverse speed with only shields covering those arcs raised. The manoeuvre surprised his opponents, and the Claymore managed to score direct hits on the warp drives of two of the IKS ships. Then taking advantage of the confusion the Claymore warped to safety.

Class: VI
Year: 2261
Ship Source: FASA Starfleet Intelligence Manual
Ship Datasheet: Download PDF


The Blade write up is based on the background provided on David Deitrick’s (the ship’s designer) blog.

2265 – Archer

The Archer class scout was designed for use as an independent light scout/explorer in contested areas. Capable of landing on planets as part of its role, the Archer was notable for packing a considerable punch in its small size, with the Mk1 mounting an FP2 photon system in its nimble class II hull (although only 12 reloads can be carried). Three single FH4s were mounted (1FS,1FP and 1A) covering all arcs of fire.

The Mk2 mounted the FSD shield giving a marginal improvement over the Mk1. The later Mk3 offered much enhanced Photon torpedoes, with the new FP7 fitted, although this was at the expense of the rear phaser owing to limits imposed by the L14 computer. In compensation though another four reloads are now carried in the former phaser bay, although these have to be carried through the ship by hand for loading into the forward launcher.

The Archer is not designed as a combat ship, but as an independent scout it is capable of an extremely robust defence.

Class: III Year: 2265
Ship Source: Star Trek Vanguard Ship Datasheet: Download PDF


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Commissioned Ships include

  • USS Archer
  • USS Arjuna
  • USS Artemis
  • USS Bowman (NCC 1968)
  • USS Kyudo
  • USS Locksley
  • USS Longbow
  • USS Sagitarrius (NCC 1894)

2253 – Searay

The Searay class was born out of wartime need. Starfleet needed a fast scout to act as they eyes and ears of its advance battle fleets, as such a ship that was faster than the Heston and Constitution classes was required.

The Searay added a pair of nacelles to the basic Hermes class scout design, the resulting ship was immensely fast for short periods, but notoriously short ranged. Given the mission profile intended for the class, this trade off was deemed acceptable.

The 12 ships built performed well, but were not retained postwar in operational service as the short range handicapped their performance in most peacetime roles


2261 – Karekh

The Karekh class scout/explorer is a Vulcan-designed and manufactured exploration vessel. This class was designed specifically for mapping space and performing related duties. As a result, the Karekh has an unusually powerful computer for a starship of its size. It is not a particularly well-known class, but it is very well suited for its mission. The vessel’s overall reliability is one of its greatest strengths. The interior configuration is similar to the more common Mission class, except that the Karekh has two decks instead of three.

As part of its mapping and patrol procedures, the Karekh locates new planetary systems. After detecting a new system, the explorer investigates further and determines whether the planet is suitable for colonization, or needs further evaluation by a more fully-equipped starship. Karekhs have made a great deal of celestial discoveries and first contacts, a source of satisfaction to Starfleet and the ship’s Vulcan builders.

The Mk I Karekh is totally unarmed. This makes the Mk I very popular with Vulcan crews (for whom it was originally designed) and less popular with most other races. In particular, no Andorians will serve willingly aboard a Karekh.

The Karekh marked a return to smaller cheaper scouts, and in many ways reflected the return of Starfleet to a peacetime footing.

Class: II Year: 2261
Ship Source: FASA/Lee Wood Ship Datasheet: Download PDF


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