|On the afternoon of Sunday July 29 Trafalgar Class submarine HMS TRENCHANT (S69) could be seen circling just seaward of Plymouth Breakwater. She was first noted at around 12:30 from the Hoe and was still conducting manoeuvres when the PONT-AVEN passed by at around 16:20. On Tuesday morning (above right) she was at a berth at the HMS Drake maintenance base at Devonport.|
HMS TRENCHANT was completed by Vickers Ship Building & Engineering Ltd in 1989. She has a displacement of 4,500 tons, measures 85m x 10m x 8m and has a speed of 30 knots when dived. She carries 5 torpedo tubes and is armed with Tomahawk Cruise Missiles. She is expected to be the longest serving member of her class with a decommissioning date of 2023.