The U.K. Royal Navy aircraft carrier HMS Prince of Wales has left Portsmouth en route to Rosyth where the £3 billion aircraft carrier will receive repairs after breaking down off the Isle of Wight in August.The 65,000-tonne warship will enter Babcock's dry dock in Rosyth where it will undergo repairs to its starboard propeller shaft which suffered a mechanical defect as the ship left for New York. Inspections by divers revealed the shaft coupling had failed. Since the aircraft carrier returned to Portsmouth Naval Base in early September…