Wessex the ensuing Norman Conquest of England, and as the Norman kings soon did away with the great earldoms of the late Anglo-Saxon period, 1066 marks the extinction of Wessex as a political unit. From the second edition (1989) of the "Oxford English Dictionary": Wessex 1. The name of a kingdom in south-west England in Anglo-Saxon times, used by Thomas Hardy as the name of the county in which his stories are set (corresponding approximately to Dorset, Somerset, Hampshire, and Wiltshire) and since used as a name for south-west England or this part of it. Wessex is often symbolised by a
Westland Wessex ships and its intention to purchase roughly 30 for anti-submarine patrols, casualty evacuations, and fleet communications duties. The RAN formally accepted the first two of 27 Wessex helicopters in September 1963; 817 Squadron was the first to operate the type; the Wessex and its dunking sonar array quickly proved to be the most effective anti-submarine platform as yet seen in the RAN. The Wessex was a major operational shift for the Fleet Air Arm, enabling the RAN to proceed with the conversion of the aircraft carrier HMAS "Melbourne" as an anti-submarine platform. In typical carrier operations, a Wessex would be