Economy of Devon (chewing gum) and HMNB Devonport (the largest naval base in western Europe) are in Plymouth. Torquay was home to Beverage Brands, the producers of WKD Original Vodka. Britannia Royal Naval College is at Dartmouth. Mining for tin and copper was carried on in Devon from ancient times until the 1930s: see Dartmoor tin-mining. Agriculture has been an important industry in South West England since the 19th century: approximately 80% of land in the South West of England is in agricultural use (19.6% of England's total). In the later 19th and early 20th centuries there were a number of potteries in
Royal Devon Yeomanry new regiment was born incorporating three old and distinguished cavalry regiments. "A" and "C" Squadrons were formed from the Royal Gloucestershire Hussars, "B" Squadron from the Royal Wiltshire Yeomanry, and "D" Squadron from the old Royal Devon Yeomanry. The regiment is called the Royal Wessex Yeomanry. The Royal Devon Yeomanry now serves as D Squadron, Royal Wessex Yeomanry based in North Devon (Barnstaple) and South Devon (Paignton). It provides trained replacement crewmen for the Regular Army's Challenger 2 Main Battle Tank. The Royal Devon Yeomanry Museum is incorporated in the Museum of Barnstaple and North Devon in The Square, Barnstaple.