Associations Heritage RN, RM, RFA, MoD Support Think tanks, learned bodies Miscellaneous
Association of Royal Navy Officers Britain at Sea BBC series with Admiral Lord West Astute class submarine UK Defence Journal feature. See also Haynes Manual, Forces TV film HMS Ambush in Action First Time Armed Forces Education Trust Defence Academy of the UK Incorporates Royal College of Defence Studies  BAE
Association of Wrens Chatham Dockyard HMS Shoreham See also Twitter account Armed Forces Healthcare NHS site. Includes veterans’ services. See also Veterans: Priority NHS treatment and Sussex Armed Forces Network Honourable Company of Master Mariners Brighton Marina
Coastal Forces Heritage Trust Ministry of Defence (Royal) British Legion International Institute for Strategic Studies Hove and Adur Sea Cadets
Britannia Association D-Day Museum Southsea Portsmouth Harbour Live webcam overlooking harbour entrance and Fort Blockhouse, aka HMS Dolphin Business Cost Saver Housing and finance guide for veterans Naval Club
Chatham Naval Officers’ Association Devonport Naval Heritage Centre Portsmouth Naval Base see also Webcam (multiple and varying live views, from HMS Warrior)
(Services) Cotswold Centre Short term accommodation, Wiltshire Marine Society Naval & Military Club
Conference of Naval Associations Diving Museum Gosport Royal Fleet Auxiliary Forces Pension Society Nautical Institute NavyBooks             Online retailer
Exeter Flotilla (Matthew) Flinders Memorial
RN Museum item on rediscovery of Flinders’s grave at Euston here
Royal Marines See also film RM 2020 Highlights (2 mins) Merchant Navy Association Royal United Services Institute Newhaven Port
  Historical Diving Society See also Diving Museum Gosport   Naval Children’s Charity   (UK) Reserve Forces Association
Fleet Air Arm Officers’ Association History, Royal Navy Page on RN site. See also On this day RN, Twitter account  

Royal Navy See also RN Facebook page, Twitter account and YouTube channel

Officers’ Association UK Defence Journal Reserve Forces’ and Cadets’ Associations See also South East RFCA
HMS Collingwood Officers Association National Museum of the Royal Navy RM Museum appeal here  Sussex URNU

See also Twitter account, Training Officer vacancy notice here

HMS Ranger

YouTube films, MicroPilot’s first year in URNU and January 2018 sea weekend on board HMS Ranger, here and here

Royal Marines Charity World Ship Society Royal Yacht Britannia Edinburgh tourist attraction
HMS Sussex Shipmates’ Association Naval Dockyards Society Trident Channel 5 TV documentary of life on board nuclear missile submarine HMS Vengeance; RN features on HMS Vengeance here and the Continuous at Sea Deterrent here Royal Navy and Royal Marines Charity Shoreham Port 
Royal Marines Association Navy List Research see also Navy Directory Warship: Life at Sea Channel 5 TV series starring HMS Duncan Royal Navy Officers’ Charity Veterans Advisory and Pensions Committee, South East
Royal Naval Association Navy Records Society 1PBS You Tube video of First Patrol Boat Squadron at sea SERVE Employment, re-joining, volunteering and staying connected opportunities with HM Forces Veterans Badge or Medal, Application
Sea Urchins (RNR Officers’ Club Liverpool)
2021 Centenary information appeal here
RFA Historical Society SSAFA Sussex Veterans Railcard
Southampton Royal Naval Officers’ Association (Old) RN College Greenwich Includes virtual tour of Painted Hall Veterans Affairs (Office for, UK Government) Victory Services Club
Submariners Association See also Dolphin Branch and Devonport Cold War Museum project Royal Navy Research Archive Veterans Gateway
Ton Class Association Sussex Military History Society Includes naval Veterans UK Veterans Welfare Service