Anglesey Sqn Search and Rescue Helicopters, both units providing employment for about 500 civilians. RAF Valley is now the headquarters of 22 Sqn Search and Rescue. There is a wide range of smaller industries, mostly located in industrial and business parks, especially at Llangefni and Gaerwen. These include an abattoir and fine chemical manufacturing, as well as factories for timber production, aluminium smelting, fish farming and food processing. The island is also on one of the major routes from Britain to Ireland, via ferries from Holyhead, off the west of Anglesey on Holy Island, serving Dún Laoghaire and Dublin Port. Much
Holyhead Breakwater maintenance duties were taken over by various road and all-terrain vehicles. The breakwater, which took 28 years to complete, was officially opened on 19 August 1873 by Albert Edward, Prince of Wales. Since November 2014, concrete blocks have been placed at the entrance to block traffic. However, the breakwater is still accessible to walkers. Holyhead Breakwater Holyhead Breakwater is situated at the north-western end of Holyhead on the island of Anglesey in North Wales. The Victorian structure, which is long, is the longest breakwater in the United Kingdom. The breakwater, which is accessible in good weather, has a promenade on