One of the Royal Navy's Type 23 'Duke' class frigates arrived on the Clyde this morning, and headed up Loch Long to Loch Goil. MONMOUTH, which was built by Yarrow Shipbuilders at Scotstoun and was launched in November 1991 and commisioned two years later. Known as the 'Black Duke', MONMOUTH differs from other Royal Navy ships in that her name aft is painted in black and she flies a black flag from her mainmast. The crown on her funnel badge is also painted black. This comes from the dissolution of the title and the blacking out of the Coat of Arms of the Duke of Monmouth in 1685 following the Monmouth Rebellion against King James II of England. MONMOUTH has just paid a four-day visit to Cardiff, and is the seventh RN ship of the name. She is due to be sent to the Persian Gulf on a six-month deployment in July, and recently underwent an £11.5 million refit at Rosyth.