1 Assault Group

1 Assault Group

1 Assault Group Royal Marines (1 AGRM) is the lead for amphibious warfare and Royal Navy board and search training. The group is tasked with training and developing core amphibious and surface assault skills and equipment.

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The Group is responsible for 4 subordinate units which deliver the vast spectrum of training and operations required in delivering amphibious and surface assault capability of the Royal Navy and Royal Marines.

Under 1 AGRM comes 10 (Landing Craft) Training Squadron which delivers trained landing craftsmen training as well as small boats, engineering and assault navigation training. 

11 Amphibious Trials and Training Squadron in Instow, North Devon deliver training that covers the area between the craft and the beachhead. 

The Instow squadron also conducts the trials and testing of future crafts. 

The Royal Navy School of Board and Search at HMS Raleigh in Torpoint trains both individuals and ship’s boarding teams to conduct the full range of boarding operations that is required by the Naval Service. 

In addition, 1AGRM is also tasked with parenting the Assault Squadrons of the Royal Marines (ASRMs) and their Landing Craft detachments which are assigned to the amphibious assault ships. 

These ASRMs provide the landing craft and therefore the fighting capability for the Royal Navy’s Amphibious Capital Ships, HMS Ocean and the Albion Class Landing Platform Docks.

On the 2nd August 2013, 1 AGRM and 10 Training Squadron moved into their new home at RM Tamar in Devonport, which was formerly opened by Prince Harry.

Priceless America’s Cup trophy delivered ashore by Royal Marines

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1 Assault Group Latest News

RFA Argus arrives in Sierra Leone

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HMS Raleigh marks Royal Marines 350th anniversary

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Current operation Operation Gritrock

The UK armed forces played a pivotal role in delivering British support as they worked with the government of Sierra Leone to tackle the crisis. Using British expertise and local building contractors, the UK committed to support 700 new beds in Ebola treatment facilities. This package supported the country’s stretched public health services in containing the disease by helping up to nearly 8,800 patients over a 6-month period.

  • Operation Gritrock

    he MOD is providing aviation support ship RFA Argus, Merlin helicopters from 820 NAS and military personnel to support efforts to tackle Ebola.

Providing humanitarian assistance

When natural or man-made disasters occur, a country’s infrastructure and resources can be crippled. With loss of electricity, shortage of food and water supplies, and human lives at risk – responding to such life-threatening scenarios is central to the Royal Navy’s ethos. Because we have the skills, equipment and know-how to go anywhere, regardless of potential damage to local infrastructure.

International partnerships

As the fifth largest economy in the world, the UK has responsibilities towards its allies and partners. But Britain also has global ambitions – namely to protect the seaways underpinning the country’s prosperity. The Royal Navy plays a crucial role in fostering these enduring and lasting alliances with other nations.

Location Africa

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Unit History

1 AGRM relocates2013

On the 2nd August, 1 AGRM relocated to their new home at RM Tamar in HM Naval Base Devonport, Plymouth

Royal Marines 350

In 2014 the Royal Marines celebrated their 350th anniversary. 350 years of unbroken service, of protecting the Nation's security. 350 years of timeless distinction. 

350 years of the Royal Marines

Commanding Officer Graeme Armour

Rank: Colonel

Colonel Armour joined the Royal Marines in 1985. He took command of 1 AGRM in September 2014.

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