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Royal Monmouthshire Royal Engineers (Militia)

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Pros:, Senior Reserve Regiment of the British Army, highly thought of. Lots of experience, 3 sub units and 7 other detachments spread across South Wales (Monmouth, Swansea, Cardiff, Cwmbran), Channel Islands (Jersey and Guernsey)and England (Oldbury, Stoke, Bristol) Varied roles, excellent opportunities and paired with 3 Regular Regiments.One of the best manned Regiments in the Reserve.

Cons: Vast span of command, far too close to Sennybridge (the land that time forgot!).


The Royal Monmouthshire Royal Engineers (Militia) (R MON RE(M)) is the most senior regiment in the British Territorial Army, having given continuous loyal service to the crown since 1539.

There is an ongoing bunfight between the armchair historians as to who is the oldest; R Mon RE(M) or Honourable Artillery Company (from 1296(?) but chartered in 1537, but critically only became a unit of the British Army in 1860). Militia (or Special Reserve) always took precedence immediately after the Regular Army and over Volunteers. Serving members of both units rarely cross paths, but there is usually friendly banter when they do meet.

The Jersey Field Squadron (M) can trace its origins back to 1337, it was disbanded after the second world war to be reformed in the 1980's.

The regiment is also unusual in having the word Royal appear twice in its name. It gained the first "Royal" in 1804 when it was known as the Monmouth and Brecon Militia. The second was acquired in 1877 when the regiment transferred into a Special Reserve section of the expanding Royal Engineers. The regiment is also the only Royal Engineer regiment to possess colours because in 1914 they were given the colours of the East Monmouth Militia for safekeeping.

The unit is located in the following places:

RHQ - Monmouth

100 Fd Sqn - SHQ in Cwmbran, detachments in Bristol, Cardiff and Swansea.

225 Fd Sqn - SHQ in Oldbury, detachments in Cannock and Stoke-on-Trent

Jersey Fd Sqn - St Helier, Jersey and a det in Guernsey.

In the last decade the Regiment has provided composite units for service in Iraq and Afghanistan. The unit's primary role is to provide a Contingency Component (CC) of trained and deployable manpower to the Regular Army in order to support Large Scale Deliberate Intervention (LSDI) operations.

Post WW2 the unit has continued to mobilise individuals and contingents. Notable examples are:

1990's - Balkans - Formed Plant Troop mobilised. 2003 - A large number of individual reinforcements mobilised for Operation TELIC, joining Bde HQ's Engr Regts and even the Joint NBC Recce unit. 2003/4 - Op TELIC 2. 100 Fd Sqn Squadron mobilised (the only deployment of a formed unit by the TA since the Korean war) of approximately 128 personnel with reinforcements from other Reserve units. 2007/8- Op TELIC 11. A formed Troop of 48 personnel to support 21 Engineer Regiment over the winter of 2007 into summer 2008. 2009 - Op HERRICK 12. Supporting 26 Engineer Regiment. 2011 - Op TOSCA. a number of the Regiment deployed to Cyprus supporting Op TOSCA, the UN peace keeping mission. 2012 - Op OLYMPICS. 2012 - Op HERRICK 16. 2014 - Op PITCHPOLE. Support to the Environment Agency and flood support. 2015 - Op GRITROCK. Support to the maintenance and operation of the Field Hospitals fighting Ebola in Sierra Leone. 2016 - Op TOSCA. Cyprus again, working alongside 36 Engr Regt. 2016 - Op SHADER.

Individuals still volunteer for operations and the regiment has deployed personnel to the following locations in the last few years: Iraq, Afghanistan, Canada, Belize, Kuwait, Germany, the Balkans, Kenya, and Malawi.

(Note - 108 (Welsh) Field Squadron was disbanded in 2014. The 2x remaining troops at Swansea were absorbed into 100 Fd Sqn.


With the demise of 108 (W) Fd Sqn, the majority of the Regiment is no longer located in Wales. Regimental Headquarters (RHQ) based in the remaining grounds of Monmouth Castle itself and it's supporting Troop located in Vauxhall Camp (also in Monmouth).

100 Fd Sqn

100 Field Squadron has it's headquarters and No 1 Troop in Cwmbran with its two other Troops (2 and 3) being found in Llandaff, Cardiff and Whiteladies, Bristol.

108(W) Fd Sqn (M)

Disbanded 2014.The Army Reserve centre is now part of 100 Fd Sqn is located close to the Swansea city centre.

225 Fd Sqn

225 Field Squadron is located in Oldbury, Birmingham and it has acquired the former outstations of 125 Fd Sqn in Cannock and Stoke. Wallsal has been vacated.

The Jersey Field Squadron RE (M)

Museum -