Niagara Class

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This article is official Bravo Fleet canon.










The Niagara-class star cruiser is an exceptionally fast but also exceptionally odd starship, dating to the 2340s. Originally a light cruiser, its current configuration shows commonality with both the Ambassador-class heavy cruiser and the Galaxy-class explorer, thanks to a refit in the early 2360s. While the initial design specifications called for simply a smaller, more efficient version of the Ambassador, in practice, these ships have been costly to operate and crew, so few of them still exist. Now retired from mainline Starfleet service, some of these ships continue on in an unarmed capacity as transports or hospital ships under the flag of the Starfleet Auxiliary.

Science and Exploration

A rear quarter of the Niagara class.
The Niagara was comparatively large for a light cruiser, especially compared to the designs that emerged in the 2350s and following the Borg attack in the late 2360s and early 2370s, so it has more space onboard for labs, scientific equipment, and research personnel. It also has a comprehensive sensor suite installed in the lateral band of the saucer section, which makes it quite capable of performing scientific studies. The only remaining vessels of this class are now in auxiliary service and so no longer participate in active exploratory missions, but they still often carry secondary mission equipment for various Starfleet and Federation science agencies and continue to passively collect data about the universe that they relay back to Starfleet. Because of their high speed, they are also sometimes used to deploy or retrieve long-range probes, which is an important but banal task that larger vessels are usually not assigned to do.

Diplomacy

A side profile of the Niagara.
This class of ship follows many of the same design principles as her larger sister, the Ambassador, and as such has comfortable accommodations and several dedicated diplomatic spaces. Because they are more limited in volume, however, they were not used often to host conferences. Their main role in diplomacy was to transport ambassadors and other dignitaries in speed and style when a larger ship was unavailable or inappropriate. By the 2400s, these ships' diplomatic areas are now used for passenger or patient rest and relaxation in their new role as transports and hospital ships.

Engineering

A front quarter view of the Niagara class.
The vast majority of Starfleet vessels use even pairs of warp nacelles, as this configuration has been proven the most efficient arrangement for Federation warp technology. Only three classes of ships have used three nacelles, and the Niagara is the one among those classes that ever saw a production run of more than a dozen ships. It's also the only one of the three not to be designed as a "dreadnought" in the way that the Federation or Galaxy Refit classes were. Rather than providing extra power to move more bulk, the third nacelle on the Niagara class is meant to provide a tri-lobed warp field which allows each individual nacelle to operate at a lower power level, thus reducing the stress on the warp coils and increasing the ship's effective endurance. Originally, these ships were built with nacelles identical to those found aboard the Ambassador, but the performance gains were considered marginal at best. While the ship was still considered a moderate success--they were substantially more capable than Miranda or Constellation-class ships--they were complex to build and maintain and only ever saw a production order of about 40 units.

In the 2360s, the class was being evaluated for possible retirement in favor of the designs developed as part of the Fleet Modernization Program, but their basic spaceframes were considered too young to be discarded, even if their performance wasn't spectacular. Instead of retiring them, it was decided to replace their nacelles with the design used aboard the Galaxy and Nebula classes, as well as to upgrade their tactical systems. The resulting design is still quite awkward--the shape of the ship was optimized for a three-nacelle design, and so the refit needed to retain the third nacelle--but with these advanced engines, the ship is capable of comfortably cruising at Warp 8 (compared to the design cruise speed of the Galaxy being a mere Warp 6) and sprinting to Warp 9.8, which makes them the fastest light cruiser design in service even as of 2399.

This speed comes at a cost, though, as the engine systems are difficult to maintain, especially considering that the number of engineers with experience operating tri-nacelle designs is extremely small. Structural integrity systems and the inertial dampeners aboard the ship are also complex and non-standard to handle the unusual stress loads created by the engines. Otherwise, the systems aboard this ship are pretty standard for the mid-24th century.

The Niagara's physical structure resembles the Ambassador but at a smaller scale, being roughly half the size of the larger ship. The design has one shuttle bay on the stern, which can carry a handful of small craft. By the 2400s, increased automation has allowed these ships to continue as auxiliary transports with a reduced engineering crew.

Tactical

This ship was designed with Type-IX phaser arrays, and in the 2360s, this ship's weapons systems were upgraded to incorporate the new Type-X arrays, a total of 13 of them. These offered comprehensive phaser coverage with few blind spots. In addition to two forward torpedo launchers just above the deflector dish and a single aft torpedo launcher under the shuttle bay, these ships were relatively well-armed but fell behind the combat-oriented designs produced in the 2370s and has suffered many hull losses during its career at the hands of the Borg and the Dominion. They had adequate self-defense capabilities but will almost never be sent purposefully into a combat situation, as they are far more valuable for other mission priorities.

During the Dominion War, ships of this class were used to find and retrieve escape pods from destroyed ships, using their superior speed to quickly jump away from the battle and return the pods to forward staging points or starbases where their occupants could be evaluated and treated. This made them appealing targets to the Jem'Hadar, who targeted them to inflict morale damage on Starfleet.

As of the 2400s, any remaining ships of this class have been disarmed, as they now serve only as transports or hospital ships, but they retain their mainline-grade shields. It would generally be considered a war crime to attack a ship of this class in its current configuration, and Niagara captains will always choose to run at the first sign of a threat, letting their ships' powerful engines keep their passengers or patients out of harm's way.

Shipboard Life

Firmly a modern design as a post-Ambassador class of starship, the Niagara is an aging workhorse with very limited amenities compared to larger ships. In mainline service, they had two holodecks which were converted from cargo bays in the latter half of the 24th century, as well as comfortable lounges intended to double as diplomatic entertaining spaces. The size of the crew was generally small enough versus the size of the ship that not even the most junior crewmen had to share a bedroom, just a living room, and head. This made them relatively popular assignments on their own, even though they don't get the most exciting missions. By the 2400s, these ships have been converted to serve as transports or hospital ships, which increased their crew comfort levels. Space once dedicated to tactical systems and labs is now given over to crew and passenger accommodations. Transports need very small crews, as well, so this allows for high standards of living at the cost of being a very boring assignment.

Tours of duty aboard the Niagara tend to be relatively short for command, science, and tactical personnel, as proving their competence here generally gets them transferred to a more important ship. For engineers, though, it's possible to fall into the Niagara trap or to "go over the falls," as developing proficiency with the three-nacelle design makes it highly likely that you will spend a large amount of your career on these aging, maintenance-intensive ships. As "third nacelle" is the 24th century equivalent to the phrase "third wheel," meaning someone who is supernumerary or otherwise surplus to requirements, members of Starfleet who have never served on one of these ships tend to look down on them, which has created a sort of reflexive pride in the Niagara class for their crews. Indeed, they are now so rare that some officers consider them to be a myth.

Medical Variant

A handful of Niagara-class ships have now been converted into hospital ships. They are especially useful for fast response missions, serving as very large ambulances to transport patients back to starbases or planetary hospitals. Unlike the Olympic-class cruiser, they are not as capable of performing advanced treatments themselves and generally aren't sufficient to serve as orbital hospitals. Rather, their focus is on stabilization and transport. They have the capacity for 1,000 intermediate care patients at 1:8 nursing staff ratios or 125 critical care patients at 1:1 nursing staff ratios, with a medical team of 250 mainline Starfleet personnel aboard. As their sprint speed is slightly above the Olympic's, they are often sent in to retrieve the most critical patients from a scene before turning around immediately to return to base before the bulk of the response vessels is in place.

Transport Variant

The transport variant of this class can accommodate 1,250 passengers for voyages of up to several months. They are not quite as comfortable as dedicated Olympic-class liners, but they have a slightly higher top speed and so are sometimes preferred by those in a hurry. Starfleet also uses these ships to quickly deploy large numbers of engineers or security personnel in times of trouble, though the ships themselves do not have engineering or tactical support capabilities.

Niagara class History

Orthographic views of the Niagara-class light cruiser.

Envisioned as early as the 2330s, when the first Ambassador-class heavy cruisers were rolling off of the assembly lines as a complement to the larger ship with a smaller hull and simpler systems in the same way that the Miranda functioned to the Constitution, the Niagara-class design process took nearly ten years. During that time, Starfleet's requirements shifted many times, and it was not considered an urgent project due to the Miranda, Constellation, and Excelsior classes comfortably handling Starfleet's needs through the 2340s. A brain wave by the lead designer was to experiment with new engine configurations on this design, and he was given tentative but skeptical permission to try reviving the tri-nacelle design pioneered aboard the Federation-class dreadnought of the 2260s.

The prototyping phase was extensive, and the construction of the Niagara took longer than usual, with the ship not leaving the yards until 2345. It was considered a successful ship, as it had pretty good top speeds and modern tactical and computing systems, but the complexity of the design precluded it from mass production. Starfleet investigated reconfiguring the design for two nacelles, but this would have required reworking the structure of the ship and the warp core--all design time that might push the ship back another decade. As such, a small order of 40 ships was made, and Starfleet was content to let this be a strange, limited-run design until the Fleet Modernization Program could be implemented.

In the 2350s, the last vessel of this class left the yards. The following decade, Starfleet considered scrapping them, but they were otherwise happy with the spaceframe, and since they no longer were going to build more anyway, it was decided to leave them in service. The Starfleet Corps of Engineers implemented a program to replace their nacelles with Galaxy-type nacelles, however, which raised their middling speeds to the very fast design they now have.

The increased top speed of this ship allowed it to go from a generalist light cruiser to a fast response and courier design. These ships were just settling into that role when the Princeton was destroyed at the Battle of Wolf 359. This would be the first in a long list of hull losses for the class, which would pick up during the Dominion War the next decade. Because of their high speed, Starfleet used them to move essential contingents of security personnel, weapons, and supplies to vulnerable border worlds, which made them attractive targets. During large battles, they were also used to pick up escape pods and take them back to safe zones, which further put a target on their backs. During the course of the war, two dozen of these ships were destroyed, leaving only 15 in service by the 2370s. Despite their losses, they were also credited with saving thousands of personnel, and their logistical support functions had immeasurable impacts in the war.

Starfleet once again considered retiring the class after the war and actually started the process for a handful of the older members of the class, but the evacuation effort of Romulus starting in 2381 ensured that they would remain in service. The class was officially retired in 2400, though most of the remaining units have been disarmed and transferred to the Starfleet Auxiliary, where they continue on as fast transports and ambulance ships.

Niagara class In-Play

  • Three-nacelle designs are very rare, and this is both due to Gene Roddenberry declaring that Starfleet ships *had* to have even numbers of warp engines and because they just look weird. This seems to be an in-universe perception as well, with the phrase "third nacelle" being used on the show to refer to someone who's third-wheeling.
  • This is a rare, aging design that still has its strengths (it's very fast) but which is so unusual that many officers might not even know it exists. They are only now in Starfleet Auxiliary service, so you might run into one on the space lanes.
  • As mentioned in the Shipboard Life section, these ships now operate in a very similar way to Olympic-class ships, but they are no longer in mainline service, and so your characters would only have been able to serve on them either as a medical officer or prior to 2400 unless your character transitioned from the Starfleet Auxiliary.
  • If you're an engineer, you might wish you had had the chance to serve on such a fascinating and unique starship.