U.S. Coast Guard Valiant class Trimaran Medium Endurance Cutter:

With the introduction of the Walcott and Harriet Lane class cost guard cutters as well as rebuilds of previous cutters, the Coast Guard was pretty well equipped. Still, there were plans for a pair of classes of trimaran cutter classes. It was planned that as these new coast cutter classes entered service, the older rebuild vessels would be retired.

One of these new designs was the Hazard class high endurance cutter. The vessel actually was a bit smaller than the previous Walcott class although both heavier armed and much faster. It actually was not much larger than the previous Harriet Lane class medium coast guard cutter class.

The second was a class of medium endurance coast guard cutter classes known as the Valiant class. It also returned to a smaller displacement compared to the previous Harriet Lane class. The vessel was built to displace just under two thousand tons fully loaded. In total, four dozen of these medium endurance cutters were built. All of the cutters were still in service at the coming of the Rifts.

Before the coming of the Rifts, the Coast Guard wanted to produce an upgraded version of this vessel although was rejected with the Eagle class patrol boat winning congressional approval instead of the medium cutter. Compared to the cutter, the patrol boat had no hanger for embarked aircraft. None of the new Eagle class patrol boats had entered coast guard service before the coming of the Rifts transformed the world.

While the design for the Hazard class high endurance cutter was first designed with diesels and gas turbines, later redesigned while under construction, the Valiant was started slightly later and was built from the beginning with a pair of fusion plants to power the cutter. Speed is actually fairly modest for a high speed trimaran with a top speed of forty-eight knots. Giving virtually unlimited endurance, the term medium endurance is of limited meaning although it does carry less provisions than the Hazard class.

The trimaran cutter was built with using more advanced composites and alloys than the previous Harriet Lane class and is able to actually withstand greater damage than the previous class even though smaller. The use of these materials means that a fair number of these cutters could survive into the coming of the Rifts even if they were abandoned. Helped with the use of the advanced composites, the design of the cutter is designed to minimized radar cross signature as well.

Weaponry is lighter than the Hazard class cutter. A single 57 mm cannon is mounted in the bow of the cutter. Many of the weapons were recycled from retired litoral combat ships as well as high endurance and medium endurance cutter classes. Behind the gun is a lightweight version of the Mk 55 medium range missile launcher. Eight missiles are ready to fire with a total of forty-eight missiles as reloads. On the top of the small hanger is a “Sea Sabre” combination mount with short range missiles and rail gun mounts. A pair of medium rail guns, identical to those carried on the SAMAS power armor, are carried on either side. No torpedo tubes are mounted although the Mk 55 launcher can carry anti-submarine missiles.

Initially, the Valiant class cutters mounted the EADS 3D TRS-16 (SPS-75) Air Search Radar. With the development of the SPX-1L "Lightweight" Phased Array Radar, it was decided to refit these medium endurance cutters with the far more powerful radar. It is a lighter version of the radar system which is carried on the larger Hazard class cutters. Other systems include a powerful electronic counter measure and missile decoy system.

As far as submarine warfare, the cutter is designed with significant noise reduction systems. Still, it only has a relatively short ranged hull sonar and no provision for a towed array. For self defense against torpedoes, it does mount a towed decoy system. Still, the medium cutter is not really designed for anti-submarine warfare unlike the Hazard class. Even the Eagle class patrol boat was better equipped for anti-submarine warfare roles.

Advanced automation allows the cutter to operate with a crew of only around fifty with the ability to embark up to forty additional personnel. Usually, they are for boarding parties although the crew is also armed with small arms and body armor. Often these are spare US Navy equipment. Ten power armor are often embarked as part of the embarked additional personnel. As being more modern craft, these vessels usually carry the Semper Fi power armor fitted with flight packs. In some cases, the PA-04A SAMAS power armors will be embarked in the place of the newer armor although less commonly than aboard older vessels. With the hanger being able to embark a single aircraft, the most commonly carried craft is the EV-84A Kingfisher VTOL. Usually the search and rescue version is carried with the anti-submarine warfare models less commonly embarked.

Model Type: WMEC-1480 class Trimaran Medium Endurance Cutter

Vehicle Type: Ocean, Light Frigate (Trimaran)

Crew: 54; 4 officers, 6 Chief Petty officers, and 44 enlisted (Has a high degree of automation)

Troops:3 to 6 Kingfisher Crew members, 10 Power Armor Pilots (Usually PA-4A SAMAS Power Armors), and up to 30 troops for boarding parties.

Robots, Power Armors, and Vehicles:

Power Armors:



Semper Fi Power Armors (Has Flight Packs / Sometimes replaced by PA-04A SAMAS)

Aircraft Compliment:



EV-84A Kingfisher Search and Rescue or EVS-84A Kingfisher Anti-Submarine Warfare

M.D.C. by location:


[1] SPX-1L Active Phased Array Radar System:






BAE 57 mm Mk 110 Cannon Mount (Forward):



USA-M31 Medium Defense Rail Guns (2, sides):

10 each


Mk 55 Eight Cell Vertical Medium Range Missile Launcher (1):



Mk 44 Combination Anti-Missile Defense System (1, Above Hanger):



Chaff Launcher (2, Superstructure):

10 each


Hanger (Aft):



VTOL Pad (Aft):



[2] Primary Hull (Main Body):



[3] Secondary Hulls (2, either side of Primary Hull):

350 each


[1] Destroying the phased array radar panel will destroy the ship’s main fire control systems but the vessel has backup systems with a shorter range (Equal to robot vehicle sensors)

[2] Destroying the main body causes the ship to lose structural integrity, causing the ship to sink. If the Secondary Hulls are still intact, the ship will sink very slowly and will take a full twenty four hours to sink. This may give the ships crew time to patch the damage to an extent that the ship will float but all propulsion will be destroyed but the ship may be repairable. There are enough life preservers and inflatable life boats to accommodate everyone on the ship.

[3] Destruction of one secondary hull will reduce stability and negate bonuses due to quiet design and for piloting. It will also wreck the hanger on the side destroyed. Destruction of both secondary hulls will give the ship a -20% penalty to piloting and give a bonus of +20% to be detected. Ships speed is also reduced to 30 knots (34.5 mph / 55.6 kph.)


Surface: 55.2 mph (48 knots/ 88.9 kph)

Range: Unlimited due to fusion engines (needs to refuel every 20 years and requires maintenance as well). Ship carries three months of supplies on board.

Statistical Data:

Length:  304.3 feet (92.75 meters).

Draft:    14.6 feet (4.45 meters).

Width:   61.2 feet (16.65 meters).

Displacement: 1,755 tons standard and 1,965 tons fully loaded

Cargo: 40 tons (36.3 metric tons) of nonessential equipment and supplies. Each enlisted crew member has a small locker for personal items and uniforms. Ships officers have more space for personal items. Most of the ship’s spaces are taken up by extra ammo, armor, troops, weapons, and engines.

Power System: Nuclear Reactor, average life span is 20 years

Market Cost: Not for Sale but if found on the black market would probably cost 125 to 200 million credits.


  1. One (1) BAE 57 mm Mk 110 Cannon: A very rapid firing weapon, with a rate of fire of over 200 rounds per minute, but relatively short ranged. The cannon is mounted on the front of the vessel. This weapon is an original weapon system and was carried on many Naval vessels until well into the twenty first century. The guns can be used against other ships, ground targets, aircraft, and even missiles. Has a +2 to hit on 10 round bursts when using high explosive or plasma on aircraft or missiles.

    Maximum Effective Range: 5.2 miles (4.5 nautical miles/8.3 km) for standard projectiles

    Mega-Damage: High Explosive: 5D6 with 6 ft (1.8 m) blast radius per single shot and 3D6x10 M.D.C. with 30 ft (9.1 m) blast radius for ten round burst. High Explosive Armor Piercing: 1D4x10 M.D.C. with 2 ft (0.6 m) blast radius per single shot and 4D6x10 M.D.C. with 10 ft (3 m) blast radius for ten round burst. Plasma: 1D6x10 M.D.C. with 8 ft (2.4 m) blast radius per single shot and 6D6x10 M.D.C. with 40 ft (12.2 m) blast radius for ten round burst.

    Rate of Fire: Equal to Gunners Hand to Hand (Ten round bursts count as one attack).

    Payload: 880 rounds. Ship normally carries usually carries 260 High Explosive, 260 High Explosive Armor Piercing, and 260 Plasma.

  2. Two (2) USA-M31 Medium Defense Rail Guns: These weapons are mounted with one on either side of the superstructure for defense against small boats and similar roles. Originally M2HB .50 Caliber Machine Guns were fitted in these locations. These rail gun mounts were identical to those carried on the SAMAS power armor. The rail gun has fewer bursts and is heavier but the rail gun inflicts more damage than the post Rifts C-40R.

    Maximum Effective Range: 4,000 feet (1,200 meters).

    Mega-Damage: A burst of 40 rounds does 1D6x10.

    Rate of Fire: Equal to combined hand to hand attacks of gunner.

    Payload: Each has a 4,000 round magazine for 100 bursts.

  3. One (1) Mk 44 “Sea Sabre” Combination Anti-Missile Defense Systems: Mounted above the hanger, this anti-missile defense system combines both a rapid fire rail gun and a short range missile launcher. While mounted in one system, both defense systems have separate tracking systems. The short range missile launchers can target up four targets and can fire a volley up to twice per melee. The rail gun is capable of destroying any missile or inflicting serious damage on aircraft. The rail gun can fire on automatic at up to six targets per melee (Has +3 to strike missile and +2 to strike aircraft). The rail gun is very similar to those carried on the Sea King Cruiser and it is likely that the Sea Kings rail guns came from a prototype of this system. The system also can be used against other ships and ground targets. The system has a 360 degree rotation and can elevate up to 90 degrees to fire at targets directly overhead.

    Maximum Effective Range: Rail Guns: 11,000 feet (2 miles / 3.2 km). Short Range Missiles: As per short range missile type (See revised bomb and missile tables for details.)

    Damage: Rail Guns: 3D4x10 MD per burst of 40 rounds (Can only fire bursts). Short Range Missiles: As per short range missile type (See revised bomb and missile tables for details.)

    Rate of Fire: Rail Guns: Six (6) attacks per melee. Short Range Missiles: Two (2) attacks per melee, can fire one at a time or in volleys of two (4) or four (4) short range missiles.

    Payload: Rail Guns: 8000 rounds (200 burst) each. Short Range Missiles: Sixteen (16) short range missiles each.

  4. One (1) Mk 55 Vertical Medium Range Missile Launcher: Mounted between the 57 mm gun mount and the superstructure. Unlike most vertical launch systems, these launchers fire the missiles on a six degree angle forward. This is because the system was initially designed for carriers and is to prevent a missile that fails on its launch from crashing the vessel. The missiles are arranged in a two by four pattern, and each launch cell has six reloads. Require much less space than a Mk-41 or MK-49 VLS. Each system can launch up to eight missiles simultaneously each and the launcher is automatically reloaded. Anti-Submarine Rocket Boosted missiles can be carried for special purposes.

    Maximum Effective Range: As per medium range missile type (See revised bomb and missile tables for details.)

    Mega Damage: As per medium range missile type (See revised bomb and missile tables for details.)

    Rate of Fire: One at a time or in volleys of two (2), four (4), or eight (8).

    Payload: Eight (8) missiles in each launcher, with forty-eight (48) missiles in magazine for automatic reloads, for a total of fifty-six (56) Medium Range Missiles including missiles in launcher.

  5. Two (2) Chaff Launcher: Located on the superstructure of the ship, they are designed to confuse incoming missiles. Both launchers must be operated or effects will be reduced. Reduce effects of launchers by 50% per launcher not used. Rifts Earth decoy systems are assumed to not operate on Phase World missiles due to technological difference. Reduce effects by 20% against smart missiles (Add +20% to rolls for smart missiles.)

    Range: Around Ship

    Mega Damage: None

      01-35 Missile or Missile volley detonates in chaff

      36-60 Missile or Missile volley loses track of real target and veers away in wrong direction (May lock onto another target.)

      61-00 - No effect, enemy missile or missile volley is still on target.

    Payload: 24 each for a total of 48

  6. Four (4) Advanced Towed Decoys: The vessel carries four advanced towed decoy drones. They are each a small automated vehicle that creates a false sonar image designed to mimic the vessels. The decoy is dragged behind the destroyer using a cable. If decoys are not destroyed, they can be recovered and repaired. Rifts Earth decoy systems are assumed to not operate against Phase World weapons due to technological difference.

    M.D.C.: 20

    Effects: The decoy has an 80% chance of fooling ordinary non military sonars and non smart guided torpedoes, the decoy has a 50% chance of fooling military level sonars (like those of the Coalition), and the decoy has a 25% chance of fooling advanced military sonars (Like those of the New Navy and Triax) and smart torpedoes.

    Range: Not Applicable

    Rate of Fire: One can be deployed at a time and requires two (2) minutes to deploy (Reel Out) another decoy

    Payload: Four (4) Decoys.

Sensory Equipment:

The ship has all systems standard on a robot vehicle plus the following special features:


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Writeup by Kitsune (E-Mail Kitsune).

Copyright © 2014, Kitsune. All rights reserved.