HMS Urchin

• Admiralty
• Blockade of Cádiz (1797)
• British U-class submarine
• George Elphinstone, 1st Viscount Keith
• Horatio Nelson, 1st Viscount Nelson
• Naval General Service Medal (1847)
• ORP Sokół (1940)
• Palmers Shipbuilding and Iron Company
• Polish Navy
• R-class destroyer (1916)
• Royal Navy
• Sea urchin
• Second World War
• Type 15 frigate
• U and V-class destroyer
• anti-submarine warfare
• destroyer
• frigate
• gunvessel
• polacca
• submarine