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GarageImage LCS(L)(3).jpg

The Landing Craft Support (Large) (Mark 3) is a rank V American motor gun boat with a battle rating of 3.7 (AB/RB/SB). It was introduced in Update 1.79 "Project X" as part of the fleet closed beta test.

General info

Survivability and armour

Talk about the vehicle's armour. Note the most well-defended and most vulnerable zones, e.g. the ammo magazine. Evaluate the composition of components and assemblies responsible for movement and manoeuvrability. Evaluate the survivability of the primary and secondary armament separately. Don't forget to mention the size of the crew, which plays an important role in fleet mechanics. Tips for preserving survivability should be saved for the "Use in battle" section.

If necessary, use a graphic template to show the most well-protected or most vulnerable points in the armour.


Write about the ship’s mobility. Evaluate its power and manoeuvrability, rudder rerouting speed, stopping speed at full tilt, with its maximum forward speed and reverse speed.


Primary armament

Provide information about the characteristics of the primary armament. Evaluate their efficacy in battle based on their reload speed, ballistics and the capacity of their shells.

Broadly describe the ammunition available for the primary armament, and provide recommendations on how to use it and which ammunition to choose.

Secondary armament

Some ships are fitted with weapons of various calibres. Secondary armament is defined by the weapon chosen with the control Select secondary weapon. Evaluate the secondary armament and give advice on how to use them. Describe the ammunition available for the secondary armament. Provide recommendations on how to use them and which ammunition to choose. Remember that anti-air armament, even heavy calibre weapons, belong in the next section.

Anti-aircraft armament

An important part of the ship’s armament responsible for air raid defence. Anti-aircraft armament is defined by the weapon chosen with the control Select anti-aircraft weapons. Talk about the ship’s anti-air cannons and machine guns, the number of guns and their positions, their effective range, and about their overall effectiveness – including against surface targets.

Usage in battles

Describe the technique of using this ship, the characteristics of her use in a team and tips on strategy. Abstain from writing an entire guide – don’t get try to provide a single point of view, but give the reader food for thought. Talk about the most dangerous opponents for this vehicle and provide recommendations on fighting them. If necessary, note the specifics of playing with this vehicle in various modes (AB, RB, SB).


Tier Seakeeping Unsinkability Firepower
I Dry-Docking Tool Set 76 mm AP Mk.29 40 mm HE clips Anti-Air Armament Targeting
II Rudder Replacement Fire Protection System Smokescreen 76 mm HE-VT 40 mm AP clips Auxiliary Armament Targeting
III Propeller Replacement Improved Rangefinder Primary Armament Targeting
IV Engine Maintenance New Pumps

Pros and cons


  • Two twin mounted 40 mm guns can decimate small vessels and torpedo boats
  • Secondary 76 mm gun has VT-fuse shell. If you use it correctly, you could counter enemy tying to lay the torpedo/heavy bomber
  • Decent crew count, able to resist small vessels
  • Does not hull break


  • Rather sluggish, the slowest boat in its rank, on par with SF40, torpedo and bomber is a large threat
  • Wooden structure, very vulnerable to fire, the crew get knocked out quickly if you are on fire


During World War II, the American military took a big gamble on landing naval infantry and armour – the Americans used the strategy of quickly capturing coastline using landing ships in all three theaters of war. The landing ships and boats themselves had light armaments and could not fully cover their marines during landings, so the question arose about the creation of a small maneuverable gunboat with enough firepower to support naval landings against enemy infantry, lightly armoured fortifications and fire positions. The LCI (Landing Craft Infantry) designs were used as a basis, with the addition of a 76 mm gun with an armour screen, two twin 40 mm cannons and four twin 20 mm machine guns. The powertrain remained the same as on the LCI – two sets of four engines with 225 hp each, with a total power output of 1800 hp. The artillery ship’s maximum speed was 16 knots. The gunboat was designated LCS (L) – Landing Craft Support (Large). It took just 10 days to prepare such a ship from the landing platform. It could escort its landing party and support it with fire along the coast, and work as an anti-aircraft vessel or provide a smokescreen for the actions of larger ships. The LCS gunboat’s baptism of fire was in the battle for Okinawa. It was later used in operations on the Pacific Ocean. After the end of World War II, the US used these ships in the Korean War and Vietnam, and provided them to allies.

- From Devblog


An excellent addition to the article will be video guides, as well as screenshots from the game and photos.

See also

Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:

  • reference to the series of the ship;
  • links to approximate analogues of other nations and research trees.

External links

Albina Engine and Machine Works Inc.
Landing Craft Support (Large) 
Landing Craft Support (Large) Mark 3  LCS(L)(3)

USA boats
Motor torpedo boats  58 ft PT-3 · 89 ft PT-810 · 94 ft PT-811 · Elco 77 ft PT-20 · Elco 80 ft PT-103 · Elco 80 ft PT-109 · Elco 80 ft PT-314 · Elco 80 ft PT-556
  Elco 80 ft PT-565 · Higgins 78 ft PT-200 · Higgins 78 ft PT-71 · Higgins 81 ft PT-6
Motor gun boats  80 ft Nasty · Elco 77 ft PT-59 · PGH-2
Motor torpedo gun boats  Asheville (PGM-84) · LCS(L)(3)