Updated. Originally posted 12th Feb 2019


Littoral Strike Ship - Covert Shores
The MRV (Multi-Role Vessel) design from Prevail Partners Ltd closely matches the LSS concept and is a likely contender.

Littoral Strike Ship
On 11th February 2019 British Defence Secretary Gavin Williamson announced the concept and development phase of a new class of amphibious warfare vessel to support the Royal Marines, and by inference, Special Forces. The new vessels will operate close to enemy shores and be termed Littoral Strike Ships

Littoral Strike Ship - Covert Shores

If ordered, the Littoral Strike Ships (LSS) will make up the backbone of the Royal Navy’s future form the backbone of a Littoral Strike Groups, which could also include LPDs (e.g. HMS Bulwark and HMS Albion) and LSD(A)s (e.g. Bay Class), as well as escorts and smaller craft.
Littoral Strike Ship - Covert Shores
Royal Navy illustration of LSS.

The design owes more to USSOCOM’s camera-shy MV C Ocean Trader than the massive Expeditionary Transfer Docks
At first glance, the concept design shared by the Royal Navy has some outward similarities to the Royal Fleet Axillary's Point Class sealift ships. But more tellingly, it is very similar in both form and function to USSOCOM’s MV C Ocean Trader (ex-Cragside). The eight bays along the sides of MC V Ocean Trader can each accommodate a Combat Craft-Assault (CCA). The Royal Navy illustration appears to be a Point Class hull converted to the same configuration as MV C Ocean Trader.

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It has also been compared to the USS Lewis B. Puller (ESB-3) design, which is much bigger still and has special facilities for hovercraft. The LSS is closer in every respect to MV C Ocean Trader.

1. 2. 3.

  1. Four Point Class sealift ships support the Royal Navy
  2. MV C Ocean Trader after conversion, note the hangars (photo by David Kozdron)
  3. The expeditionary sea base USS Lewis B Puller.

Littoral Strike Ship - Covert Shores
MV C Ocean Trader (ex-Cragside) during conversion.

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Although the name implies that the LSS will operate right in the face of the enemy, they will in reality carry a range of smaller boats for over-the-horizon insertion and extraction, as well as extensive aviation facilitates:

1. 2. 3.

  1. BAE System Fast Interceptor Craft, as used by UKSF
  2. UKSF are purchasing the US designed SDV Mk.XI Shallow Water Combat Submersible (SWCS) to replace the SDV Mk.VIII
  3. The Royal Marines operate several RHIBs including the Offshore Raiding Craft (ORC) made by Hollyhead Marine, and also the Griffon Hoverwork 2400TD hovercraft.

The concept of forward operating bases is not new, but the renewed emphasis changes the fortunes of the UK’s amphibious warfare capabilities which have been continually downsized and neglected. The US and Iran also use large converted ‘civilian’ merchant ships for this purpose (see Covert Shores article on the Iranian Saviz)

1. 2. 3.

  1. RFA Reliant, a converted merchant vessel, operating off Beruit in support of the UN mission, mid 1980s.
  2. One of the US forward operating bases in the Gulf during Operation EARNEST WILL; the barge Hercules.
  3. Iran uses the Saviz as a covert operating base in the Red Sea.

The natural contender is the MRV (Multi-Role Vessel) from UK based Prevail Partners Ltd. The MRV is a joint project with Holder naval architects (who alsoworked on the Point Class sealift ships), SIEM Shipping and ship broker Clarksons Platou. The design is 209.8 meters long and can carry approximately 7,500 tons (DWT). It has two Chinook-sized landing spots in front of the large hanger and can land smaller helicopters or rotary wing UAVs on a secondary pad on the superstructure.

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