High Quality Content by WIKIPEDIA articles! HMS Devonshire (D02) was the first of the County-class destroyers and the first Batch 1 ship of the Royal Navy. The ship was built by Cammell Laird in Birkenhead near Liverpool. With a displacement of 5,440 tonnes (6,850 tonnes full load), Devonshire was named after the English county of Devon. She was launched on 10 June 1960 and delivered to the navy two years later.