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A Royal Naval Armament Depot (RNAD) is an armament depot (or a group of depots) dedicated to supplying the Royal Navy (as well as, at various times, the Royal Air Force, the British Army, and foreign and Commonwealth forces). They were sister depots of Royal Naval Cordite Factories, Royal Naval Torpedo and Royal Naval Mine Depots.[ citation needed ] The only current RNAD is RNAD Coulport, which is the UK Strategic Weapon Facility for the nuclear-armed Trident Missile System, with many others being retained as tri-service 'Defence Munitions' sites.
Historically, several of these depots played a key role in Britain's military history. In the early modern period, Britain's national defences were developed along different lines than those that emerged on the continent of Europe. Rather than focusing on having a large army and heavily fortified cities, England (and then Great Britain) built up its navy. In this period, Britain's principal ordnance stores were planned with ease of access for the Navy in mind. [1] Whereas on the continent, guns and gunpowder were kept in fortified strongholds where they were accessible to the field armies and garrisons based there, in Britain they were stored as close as possible to the Royal Navy Dockyards, to facilitate the transfer of armaments between the depots and warships, but not too close to minimise the risk of any accident or explosion in the depot causing damage to warships.
The earliest Ordnance Depots, several of which later became RNADs, were built by the Board of Ordnance (an autonomous office of the state, based at the Tower of London). The Board of Ordnance was responsible for all forts and armaments within the United Kingdom as well as the British Empire; it provided ordnance and ammunition for both naval and military uses. [2]
In the Tudor period, the Board maintained 'gun wharves' close to each Royal Navy Dockyard and Anchorage where cannons, shot, small arms, and other items were kept available ready for naval use. Gunpowder was stored separately (initially in nearby fortified structures such as Portsmouth's Square Tower, Plymouth's Royal Citadel, and Upnor Castle on the River Medway). After 1671, the gun wharf at Woolwich Dockyard was extended to the east and by 1700 ammunition was being assembled on the site, which soon expanded to become the Board's principal manufacturing facility (later named the Royal Arsenal).
In the 1720s, the Board of Ordnance consolidated its gunwharf activity within new, purpose-built sites at Chatham, Portsmouth and Devonport). Some years later, the Board began to design and build gunpowder magazine depots (nearby, but at a more-or-less safe distance): at Priddy's Hard near Gosport (from 1771) and at Keyham Point near Devonport (from 1775). The Thames dockyards were served by the Board's central magazine complex at Purfleet, as were the yards on the Medway (where Upnor Castle continued to serve as an interim store). [1]
In times of conflict the demand for provision (and therefore storage) of gunpowder grew, so additional magazines were built during the French Revolutionary Wars at Tipner (from 1788) and Weedon (from 1802), and during the Napoleonic Wars at Upnor (from 1806) and Marchwood (from 1811). During the Crimean War a new magazine depot was begun in 1851 at Bull Point near Plymouth (replacing Keyham, where the site was required for Dockyard expansion); and at the same time new magazines were built at Tipner, Weedon, Upnor and Marchwood, more than doubling capacity in most cases. [1] In addition to these (and a number of temporary magazines established when and where they were needed) significant use was made of obsolete warships to serve as floating magazines; (this strategy continued through to the Second World War, when Implacable and Foudroyant were thus employed). [3]
When the Board of Ordnance was abolished in 1855 control of its assets passed to the War Office; they were overseen by a series of different military authorities:
This period coincided with a revolution in naval ordnance, with new gun and shell technology being developed for a new generation of ironclad warships. An emphasis was placed on adapting the established depots to handling the new ammunition, rather than on establishing new depot sites (although much needed additional storage space was provided in 1875 when a new magazine complex was opened at Chattenden near Upnor).
Some depots began to develop a manufacturing role alongside that of storage: a factory opened on Portsmouth Gunwharf in 1863 for making gun carriages; together with the 'Royal Laboratory' across the harbour on Priddy's Hard, it was designated and managed as a Royal Ordnance Factory. [1] Over the next two decades, the aforementioned Laboratory (established some years earlier for cartridge and small-arms ammunition manufacture) developed into a facility for shell-filling, an activity which soon outgrew its initial accommodation and spread into new purpose-built complexes at this and most of the other magazine depots.
In 1891, the decision was taken to divide responsibility for armament provision (for the army and the navy respectively) between the War Office and the Admiralty, with assets (including premises, personnel, equipment and supply vessels) being divided between the two services. For their part, the Admiralty established a new Naval Ordnance Store Department, based at the Royal Arsenal, Woolwich and overseen by the Director of Naval Ordnance, to manage them. [3]
As part of this process, the gunwharves at Portsmouth and Chatham were each divided in two between the Navy and the Army, as were storage facilities at Woolwich Arsenal; at Plymouth the Devonport gun wharf remained with the Army, so a new naval gunwharf was set up within part of the Royal William Victualling Yard. [1] Other ordnance locations (including some which were initially divided) ended up either with one service or the other; those that remained with the Army included Purfleet, Tipner and Weedon ordnance depots.
A memorandum of 18 January 1892 stated that: [3]
... the Official designations of the Naval Ordnance Depots at the undermentioned places will be as follows:
Woolwich: H.M. Naval Gunwharf, Woolwich Arsenal;
Priddy's Hard: H.M. Naval Magazine;
Portsmouth: H.M. Gunwharf;
Plymouth: H.M. Naval Gunwharf;
Bull Point, Devonport: H.M. Naval Magazine;
Chatham: H.M. Naval Gunwharf;
Upnor, Rochester: H.M. Naval Magazine.
By the start of the 20th century, however, all these facilities were officially known as Royal Naval Ordnance Depôts (as were the smaller depots belonging to the Admiralty, both at home and overseas).
It was only in the last decade of the nineteenth century that gunpowder began to lose its primacy in ordnance manufacture. Cordite was patented in 1889 and soon found widespread use as a smokeless propellant; and from 1896 lyddite began to replace gunpowder in explosive shells. [1] Guncotton (patented in 1846 but little used subsequently due to hazards inherent in its manufacture) eventually came to be used in naval mines and torpedoes. By the end of the century the ordnance depots were being expanded and adapted to provide specialist storage magazines for these explosives, alongside substantial separate storehouses for shells and mines. (Torpedoes, and later mines, were stored in their own separate depots.) The storage requirements of cordite and dry guncotton in particular led to the characteristic layout of depots in the twentieth century: as series of small, individually traversed, lightly roofed, single-storey buildings interlinked by narrow-gauge railways.
Several new Depots were established during, or in the run up to, the First World War, including a number in Scotland, where new naval dockyards had opened at Rosyth and Invergordon.
On 23 December 1918, the Naval Ordnance Store Department was renamed the Armament Supply Department and its depots were likewise renamed Royal Naval Armament Depots (RNAD) in 1920. The change of nomenclature recognised the inclusion of torpedoes and naval mines (which had been managed separately during the war) alongside ordnance as part of the new department's responsibilities.
The vulnerability of the armament depots to air strikes was now acknowledged, so the Admiralty explored the feasibility of building magazines underground, initially at Ernesettle (just north of Bull Point, Plymouth) where four such magazines were built and at the recently established RNAD Crombie (near HM Dockyard, Rosyth) where six were built. Despite the cost, and sustained resistance from HM Treasury, plans were then laid down for the development of several far larger subterranean depots, with sixty magazines proposed at Dean Hill (near Salisbury) and ninety at Trecŵn (near Fishguard). Approval for these was only given in 1938–39, when war seemed all but inevitable, and they took several years to build; in the meantime a temporary depot was established (and later made permanent) on the site of a former colliery at Broughton Moor in West Cumberland. Once war was declared, however, the development of similar underground complexes was abandoned in favour of faster solutions, with railway tunnels, warehouses and other improvised locations made use of. [1] Thus, whereas in early 1939 only five home RNADs were listed in the Navy List (viz. Woolwich, Portsmouth, Plymouth, Chatham and Crombie), [5] by 1945 over thirty are mentioned, in addition to these five, with nine more RNADs in various locations listed as sub-depots of the 'Central Naval Armament Supply Depots, Wolverhampton'. [6] Similarly overseas, the 1939 list of seven RNADs (Gibraltar, Malta, Hong Kong, Singapore, Simon's Town, Bermuda and Ceylon) [5] had grown to a list of over twenty (with several more sub-depots in addition). [6]
The Armament Supply Department continued in operation until 1965. [3]
On 1 January 1965, control of the naval armament depots passed to the Ministry of Defence and they became part of the Royal Naval Supply and Transport Service (RNSTS). [4] The RNSTS was formed from an amalgamation of the Directorates of Naval Stores, Victualling, Armament Supply, and Movements. [7]
On 1 April 1994, the RNSTS ceased to exist and was absorbed into the Naval Support Command. At first renamed the 'Warship Support Agency', it went on to form part of the tri-service Defence Logistics Organisation, which is now part of the Defence Equipment and Support (DE&S) conglomerate. The RNADs also lost their independence; those RNADs that are still in use today are known as Defence Munitions centres (DM, e.g. DM Beith), with the aforementioned exception of RNAD Coulport.
Name | County | Country | Years active | Status | Notes | |
---|---|---|---|---|---|---|
RNAD Antrim | Closed | |||||
— RNAD Crossgar | N. Ireland | Closed | (sub depot of RNAD Antrim) [8] | |||
— RNAD Kilnappy | Co. Londonderry | N. Ireland | Closed | (sub depot of RNAD Antrim) [8] | ||
RNAD Beith | 1943– | operational as DM Beith | ||||
— RNAD Auchemade Quarry | Ayrshire | Closed | (sub depot of RNAD Beith) [9] | |||
RNAD Broughton Moor | 1939–1992 | Decommissioned | Leased to other NATO countries from 1963. [10] | |||
RNAD Bull Point | Devon | 1852–2009 | Closed | |||
RNAD Charlesfield | 1945–1962 | Closed | Established on the site of a World War II incendiary bomb factory. | |||
RNAD Chatham (gunwharf) | England | 1717–1958 | Closed | |||
RNAD Coulport | 1968– | Operational | UK strategic nuclear weapon facility | |||
RNAD Crombie | 1915– | Operational as DM Crombie | Built to serve Rosyth Naval Dockyard | |||
— RNAD Bandeath | 1916–1978 | Closed | Storage magazines (sub depot of RNAD Crombie) [9] | |||
— RNAD Grangemouth | 1917– | Closed | Mining depot (sub depot of RNAD Crombie) [9] | |||
— RNAD Leadburn | Closed | (sub depot of RNAD Crombie) [9] | ||||
RNAD Dalbeattie | 1946–1960 | Closed | Established on the site of a World War II explosives factory. [11] | |||
RNAD Dean Hill | 1941–2004 [12] | Closed | Underground magazine facility (latterly DM Dean Hill) | |||
RNAD Ditton Priors | Shropshire | 1941–1968 [13] | Closed | now an industrial estate | ||
RNAD Ernesettle | Devon | 1925– | Operational as DM Plymouth | Underground magazine facility | ||
RNAD Glen Douglas | 1966– | Operational as DM Glen Douglas | ||||
RNAD Fort William | Closed | (sub depot of RNAD Crombie) [9] | ||||
— RNAD Achdalieu | Closed | (sub depot of RNAD Fort William) [9] | ||||
— RNAD Annat | Closed | (sub depot of RNAD Fort William) [9] | ||||
— RNAD Caol Farm | Closed | (sub depot of RNAD Fort William) [9] | ||||
— RNAD Corpach | Closed | (sub depot of RNAD Fort William) [9] | ||||
— RNAD Lochailort | Closed | (sub depot of RNAD Fort William) [9] | ||||
— RNAD Locheilside | Closed | (sub depot of RNAD Fort William) [9] | ||||
RNAD Gosport | 1977– | Operational as DM Gosport | The collective name for the Gosport depots was changed in 1977 from RNAD Priddy's Hard to RNAD Gosport in anticipation of the closure of Priddy's Hard itself. [3] | |||
— RNAD Bedenham | 1910– | Operational as part of DM Gosport | (formerly sub-depot of RNAD Priddy's Hard) | |||
— RNAD Elson | 1925– | Operational as part of DM Gosport | (formerly sub-depot of RNAD Priddy's Hard) initially a magazine depot; guided missile depot since 1964. [3] | |||
— RNAD Frater | 1918– | Operational as part of DM Gosport | (formerly sub-depot of RNAD Priddy's Hard) a Mining Depot (RNMD) until 1959, then a torpedo depot. [3] | |||
— RNAD Priddy's Hard | Hampshire | England | 1777–1988 | Closed | (latterly sub-depot of RNAD Gosport); site now used for housing and Explosion! Museum of Naval Firepower | |
RNAD Grain | 1941–1961 | Closed | ||||
RNAD Haulbowline | 1806–1923 | Closed | Now the headquarters of the Irish Naval Service. | |||
RNAD Invergordon | 1916– | Closed | ||||
RNAD Marchwood | Hampshire | England | 1811–1961 | Closed | ||
RNAD Portsmouth (gunwharf) | Hampshire | England | 1715–1923 | Closed | ||
RNAD Plymouth (gunwharf) | Devon | England | 1891– | Closed | Also known as RNAD Stonehouse | |
RNAD Trecwn | 1938–1998 [14] | Closed | Underground magazine facility (initially a mine depot) | |||
RNAD Upton | Closed | |||||
RNAD Upnor | 1668–1961 | Closed | Lower Upnor Ordnance Depot remained in MOD hands until 2013 | |||
— RNAD Chattenden | 1875–1961 | Closed | (formerly sub-depot of RNAD Upnor) later became part of Royal School of Military Engineering; site disused from 1995, for sale in 2016. | |||
— RNAD Lodge Hill | Kent | England | 1898–1961 | Closed | (formerly sub-depot of RNAD Upnor) Later Defence Explosive Ordnance Disposal, Munitions and Search School (DEMSS South); closed 2011. For sale 2016. | |
RNAD Woolwich | 1671–1958 | Closed | Part of the Royal Arsenal | |||
RNCF Holton Heath | 1914–1959 [3] | Closed | Cordite Factory | |||
RNGF Westhoughton | Lancashire | England | 1916–1919 | Closed | Gun Factory [15] | |
RNMD Dalmore | 1918– | Closed | Mining Depot | |||
RNMD Dover | 1918– | Closed | ||||
RNMD Immingham | 1917– | Closed | Mining Depot | |||
RNMD Milford Haven | 1935–1989 | Closed | Underground magazine facility (Mining Depot) | |||
RNMD Wrabness | 1921–1963 | Closed | Mining Depot (The site, sold in 1992, is now Wrabness Nature Reserve). | |||
RNPF Caerwent | 1940–1968 [3] | Closed | Propellant Factory | |||
RNTD Chatham | c.1886–1958 | Closed | Torpedo Depot within H.M. Dockyard | |||
RNTD Devonport | c.1886–1959 | Closed | Torpedo Depot within H.M. Dockyard | |||
RNTD Granton | 1917– | Closed | Torpedo Depot | |||
RNTD Harwich | 1916– | Closed | Torpedo Depot | |||
RNTD Port Edgar | 1917– | Closed | Torpedo Depot | |||
RNTD Portsmouth | 1886–1959 [3] | Closed | Torpedo Depot within H.M. Dockyard (transferred to RNAD Frater in 1959). | |||
RNTD Rosyth | 1918– | Closed | Torpedo Depot within H.M. Dockyard | |||
RNTD Weymouth | 1902–1959 [3] | Closed | Torpedo Depot | |||
RNTF Alexandria | Dunbartonshire | 1935–1970 [3] | Closed | Torpedo Factory | ||
RNTF Greenock | 1910–1951 [3] | Closed | Torpedo Factory (Torpedo Experimental Establishment remained on site until 1959) | |||
Name | City or district | Country | Years active | Status | Notes |
---|---|---|---|---|---|
RNAD Alexandria | Egypt | Closed | |||
RNAD Benghaisa | Malta | Closed | |||
RNAD Bombay | Closed | ||||
RNAD Butcher Island | Bombay | Closed | |||
RNAD Colombo | Closed | ||||
RNAD Corradino | Paola | Malta | 1893– | Closed | Underground magazine complex |
RNAD Gibraltar | 1905– | Closed | Underground magazine depot | ||
RNAD Haifa | Closed | ||||
RNAD Hong Kong | Closed | ||||
RNAD Mombasa | Closed | ||||
RNAD Port Said | Closed | ||||
RNAD Spectacle Island | Sydney | Australia | 1884–1913 | Closed | Established by the government of New South Wales in 1865; in Royal Navy ownership 1884–1913, then transferred to the Royal Australian Navy, which still uses the site as a Naval repository. |
RNAD Simon's Town | South Africa | Closed | |||
RNAD Singapore | Closed | ||||
RNAD Trincomalee | Closed | ||||
RNTD Gibraltar | Closed | Torpedo Depot | |||
RNTD Hong Kong | Closed | Torpedo Depot | |||
RNTD Kalafrana | Malta | Closed | Torpedo Depot | ||
RNTD Msida | Malta | Closed | Torpedo Depot | ||
RNAD HMS St. Angelo | Malta | Closed | 31 March 1979 https://heritagemalta.mt/explore/fort-st-angelo/ | ||
The Board of Ordnance was a British government body. Established in the Tudor period, it had its headquarters in the Tower of London. Its primary responsibilities were 'to act as custodian of the lands, depots and forts required for the defence of the realm and its overseas possessions, and as the supplier of munitions and equipment to both the Army and the Navy'. The Board also maintained and directed the Artillery and Engineer corps, which it founded in the 18th century. By the 19th century, the Board of Ordnance was second in size only to HM Treasury among government departments. The Board lasted until 1855, at which point it was disbanded.
Woolwich Dockyard was an English naval dockyard along the river Thames at Woolwich in north-west Kent, where many ships were built from the early 16th century until the late 19th century. William Camden called it 'the Mother Dock of all England'. By virtue of the size and quantity of vessels built there, Woolwich Dockyard is described as having been 'among the most important shipyards of seventeenth-century Europe'. During the Age of Sail, the yard continued to be used for shipbuilding and repair work more or less consistently; in the 1830s a specialist factory within the dockyard oversaw the introduction of steam power for ships of the Royal Navy. At its largest extent it filled a 56-acre site north of Woolwich Church Street, between Warspite Road and New Ferry Approach; 19th-century naval vessels were fast outgrowing the yard, however, and it eventually closed in 1869. The former dockyard area is now partly residential, partly industrial, with remnants of its historic past having been restored.
The Royal Arsenal, Woolwich is an establishment on the south bank of the River Thames in Woolwich in south-east London, England, that was used for the manufacture of armaments and ammunition, proofing, and explosives research for the British armed forces. It was originally known as the Woolwich Warren, having begun on land previously used as a domestic warren in the grounds of a mid-16th century Tudor house, Tower Place. Much of the initial history of the site is linked with that of the Office of Ordnance, which purchased the Warren in the late 17th century in order to expand an earlier base at Gun Wharf in Woolwich Dockyard.
Chatham Dockyard was a Royal Navy Dockyard located on the River Medway in Kent. Established in Chatham in the mid-16th century, the dockyard subsequently expanded into neighbouring Gillingham; at its most extensive two-thirds of the dockyard lay in Gillingham, one-third in Chatham.
Lower Upnor and Upper Upnor are two small villages in Medway, Kent, England. They are in the parish of Frindsbury Extra on the western bank of the River Medway. Today the two villages are mainly residential and a centre for small craft moored on the river, but Upnor Castle is a preserved monument, part of the river defences from the sixteenth century.
Royal Navy Dockyards were state-owned harbour facilities where ships of the Royal Navy were built, based, repaired and refitted. Until the mid-19th century the Royal Dockyards were the largest industrial complexes in Britain.
His Majesty's Naval Base, Portsmouth is one of three operating bases in the United Kingdom for the Royal Navy. Portsmouth Naval Base is part of the city of Portsmouth; it is located on the eastern shore of Portsmouth Harbour, north of the Solent and the Isle of Wight. For centuries it was officially known as HM Dockyard, Portsmouth: as a Royal Dockyard, Portsmouth functioned primarily as a state-owned facility for building, repairing and maintaining warships; for a time it was the largest industrial site in the world.
The Royal Army Ordnance Corps (RAOC) was a corps of the British Army. At its renaming as a Royal Corps in 1918 it was both a supply and repair corps. In the supply area it had responsibility for weapons, armoured vehicles and other military equipment, ammunition and clothing and certain minor functions such as laundry, mobile baths and photography. The RAOC was also responsible for a major element of the repair of Army equipment. In 1942 the latter function was transferred to the Royal Electrical and Mechanical Engineers (REME) and the vehicle storage and spares responsibilities of the Royal Army Service Corps were in turn passed over to the RAOC. The RAOC retained repair responsibilities for ammunition, clothing and certain ranges of general stores. In 1964 the McLeod Reorganisation of Army Logistics resulted in the RAOC absorbing petroleum, rations and accommodation stores functions from the Royal Army Service Corps as well as the Army Fire Service, barrack services, sponsorship of NAAFI (EFI) and the management of staff clerks from the same Corps. On 5 April 1993, the RAOC was one of the corps that amalgamated to form The Royal Logistic Corps (RLC).
Priddy's Hard is a former military installation in Gosport, England named for the original landowner and the firm beach found there. The site originated as a 1750s fort, and then became an armaments depot for Royal Navy and British Army weapons, explosives and other stores. The site was decommissioned in 1988, after over two hundred years of operation, with part now being developed for housing and an area retained as a museum.
Upnor Castle is an Elizabethan artillery fort located on the west bank of the River Medway in Kent. It is in the village of Upnor, opposite and a short distance downriver from the Chatham Dockyard, at one time a key naval facility. The fort was intended to protect both the dockyard and ships of the Royal Navy anchored in the Medway. It was constructed between 1559 and 1567 on the orders of Elizabeth I, during a period of tension with Spain and other European powers. The castle consists of a two-storeyed main building protected by a curtain wall and towers, with a triangular gun platform projecting into the river. It was garrisoned by about 80 men with a peak armament of around 20 cannon of various calibres.
The admiral-superintendent was the Royal Navy officer in command of a larger Naval Dockyard. Portsmouth, Devonport and Chatham all had admiral-superintendents, as did some other dockyards in the United Kingdom and abroad at certain times. The admiral-superintendent usually held the rank of rear-admiral. His deputy was the captain of the dockyard.
These are narrow-gauge railways at military establishments and former UK Government-owned explosives sites. These locations were often subject to the Official Secrets Act and other government restrictions, so many of them are less well documented.
His Majesty's Naval Base, Devonport is one of three operating bases in the United Kingdom for the Royal Navy and is the sole nuclear repair and refuelling facility for the Royal Navy. The largest naval base in Western Europe, HMNB Devonport is located in Devonport, in the west of the city of Plymouth, England.
A gunpowder magazine is a magazine (building) designed to store the explosive gunpowder in wooden barrels for safety. Gunpowder, until superseded, was a universal explosive used in the military and for civil engineering: both applications required storage magazines. Most magazines were purely functional and tended to be in remote and secure locations. They are the successor to the earlier powder towers and powder houses.
The Square Tower is one of the oldest parts of the fortifications of Portsmouth, England. It is a Grade I listed building.
Defence Munitions Gosport is a defence munitions site situated on the southwestern shores of Portsmouth harbour, southeast of Fareham in Hampshire, England. The site occupies about 470 acres. Its facilities include two Integrated Weapon Complexes (IWCs), 24 processing rooms and 26 explosives stores. The site employs some 270 staff.
Chattenden and Lodge Hill Military Camps were British Army training camps in Chattenden and Hoo St Werburgh in Kent. They were built as ordnance depots and functioned as such through to the second half of the twentieth century.
The Naval Ordnance Stores Department, was a former department of the Admiralty responsible for the management of naval ordnance storage facilities and depots of the Royal Navy the department was managed by a Superintendent of Stores supported by various deputy and assistant superintendents's it existed from 1891 to 1918 when it was replaced by the Armament Supply Department.
The Naval Stores Department also known as the Department of the Director of Naval Stores was initially a subsidiary department of the British Department of Admiralty, then later the Navy Department responsible for managing and maintaining naval stores and the issuing of materials at naval dockyards and establishments for the building, fitting and repairing of Royal Navy warships from 1869 to 1966.