Click on the links below for relevant websites:

Algerines Association  (For those with an interest in Algerine Class minesweepers.)

Bomb Fuze Collectors' Net  (Authoritative, well-illustrated site about bomb & mine fuzes and their RSPs)

Britannia Association  (For BRNC Dartmouth Alumni.)

Canadian Naval Divers' Association  (Contains links to many other Canadian CD sites.)

Defence Suppliers Directory  (Informative site about the British Armed Forces & the Defence Industry.)

Divers' Gifts & Collectables  (Run by MCDOA member Paul Guiver.  Find that prezzie for the wife or girlfriend - or even both!) (Set up by former CD Mick O'Leary with stories and photos from his time in the RN)

EGUERMIN  (Ecole de Guerre des Mines - Belgian Netherlands Minewarfare School)

EXPLOSION!  (Museum of Naval Firepower at Priddy's Hard, Gosport - be sure to look at the mining hall!)

Forces Reunited  (Find old buddies.)

George Cross Database  (Includes details of all GCs awarded to RN & RAN B&MD personnel.)

Halcyon Class Minesweepers  (All about these work-horses of WW II.)

Harry Tate's Navy  (Includes WW II minesweepers coordinated from the Sparrow's Nest, Lowestoft.)

Historical Diving Society  (See how our forebears did it.)

HDS Diving Museum, Gosport (The best range of military, commercial and recreational diving equipment exhibited anywhere in Europe, perhaps the world!)

Institute of Explosives Engineers  (Membership open to EOD/IEDD-trained personnel including MCDOs.)

Maritime Books  (Books for the discerning naval reader.)

MINWARA  (The US Minewarfare Association)

MoD Reunited  (Largest Active UK military reunited site - Totally Free.)

Nautical Institute  (For all truly professional seafarers.  Look up your local branch.)

NI Solent Branch  (Portsmouth's nearest.)  (Excellent source for naval history, campaign summaries, casualties and more.)

Naval Minewarfare Association  (Our US Navy minewarfare buddies.)

Naval Review  (Independent, professional, often irreverent, always stimulating.  Have you joined yet?)

Navy News (RN news including archives as far back as June 1954)

Old Oppos  (UK Forces Re-union Website.)

Portsmouth Field Gunners' Association  (Moving ordnance, not getting rid of it!)

Project VERNON  (Campaign to erect a monument in Gunwharf Quays commemorating the Minewarfare & Diving heritage of HMS Vernon.)

Rebreathers Worldwide  (Fascinating site containing database of rebreather diving sets including old-type CDBA.)

Royal Australian Navy  (Half their MCDOs are ex-RN anyway!)

RAN 16th Minesweeping Squadron  (Dedicated to the work of the RAN Ton Class MCMVs.)

RAN Minewarfare & Clearance Diving Group  (24/7 EOD, but upside down.)

RAN Clearance Divers' Association  (Colourful website - what it says on the tin.)

RAN CDT3  (CD Ops during Vietnam War.)

Royal Engineers Bomb Disposal Officers' Club  (They do it too!)

Royal Naval Patrol Service Association  (WW II minesweeping - see Harry Tate's Navy above.)

Royal Navy

Association of RN First Class Divers  (Over 280 members ranging from former WW II 'P-Party' personnel to recently qualified PO(D)s)

RN Clearance Divers' Association (New all-ranks community)

RN Diving Operations  (24/7 EOD.)

RN MCM  (See the latest news and photos from each ship.)

RN Minewarfare Association  (Website of the RN Minewarfare Association inaugurated Feb 2008.)

Royal Navy History  (Heritage website about RN and other Commonwealth navies.)

Royal New Zealand Navy
HMNZS Manawanui (RNZN diving and mine counter-measures support ship)
Rum Ration  (Unofficial centre of Royal Navy and Royal Marines information, humour and bullshit.)
The MSO Chain Locker (Links to all known US Navy minewarfare sites and a lot more.) 
Ton Class Association  (For those who served in Ton Class minesweepers and minehunters.)

US Navy

USN Centre for EOD & Diving

USN Director of Ocean Engineering & Supervisor of Salvage & Diving

USN Diving and Salvage Training Centre

USN Experimental Diving Unit

USN Naval Mine & Anti-Submarine Warfare Command (NMAWC)

World Naval Ships Forums  (Quality historical information and photos.)