The Royal Maritime Auxiliary Service (RMAS) was a British Government agency which ran a variety of auxiliary vessels for

His Majesty's Naval Service His Majesty's Naval Service is the United Kingdom's naval warfare and maritime service. It consists of the Royal Navy, Royal Marines, Royal Fleet Auxiliary, Royal Naval Reserve, Royal Marines Reserve and Naval Careers Service. The term Naval Ser ...

(incl.

Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against ...

, Royal Marines) and the Royal Fleet Auxiliary. The service from 2009 has been run by Serco and is known as Serco Marine Services.

Background

The Royal Maritime Auxiliary Service merged with the former Port Auxiliary Service in 1976 to form a component of His Majesty's Naval Service that was known as marine services. Marine services existed to support the operations of the Royal Navy, Royal Marines and Royal Fleet Auxiliary. In the 1990s, marine services were put out to commercial tender by the Ministry of Defence Warship Support Agency (now absorbed into the

Defence Equipment and Support Defence Equipment and Support (DE&S) is a trading entity and joint-defence organisation within the UK Ministry of Defence. It began operating on 2 April 2007, following the merger of the MoD's Defence Procurement Agency and the Defence Logistics ...

organisation) and by 1996, all tugs, lifting craft, various tenders and management of HMNB Devonport,

Portsmouth Portsmouth ( ) is a port and city in the ceremonial county of Hampshire in southern England. The city of Portsmouth has been a unitary authority since 1 April 1997 and is administered by Portsmouth City Council. Portsmouth is the most dens ...

and

Clyde Clyde may refer to: People * Clyde (given name) * Clyde (surname) Places For townships see also Clyde Township Australia * Clyde, New South Wales * Clyde, Victoria * Clyde River, New South Wales Canada * Clyde, Alberta * Clyde, Ontario, a tow ...

were operated by Serco Denholm. By the mid 2000s, it was decided that the Royal Maritime Auxiliary Service would no longer provide marine services to HM Naval Service, and it would instead be delivered under a Private Finance Initiative instead. Serco were quickly declared preferred bidders and the RMAS was disbanded on 31 March 2008.Queen’s Thanks as Last Post Sounds for Royal Maritime Auxiliary Service
/ref>

Vessels

RMAS vessels carried the ship prefix "RMAS" and auxiliary (A) or yard (Y) pennant numbers. They also had a distinctive livery or colour-scheme, namely: black hulls with white beading and buff-coloured upperworks. Below is a list of vessels previously operated by the Royal Maritime Auxiliary Service. A number of the vessels listed below were later transferred over to Serco Marine Services who continue to provide marine services in support of the Royal Navy. ;Research vessels RMAS Colonel Templer (A229)