HMS Pembroke (M107)
1997 Sandown-class minehunter

Căpitan Constantin Dumitrescu (M271) is a Sandown-class minehunter of the Romanian Naval Forces, officially entering service on 4 August 2025. Before its retiring in 2023, she served as HMS Pembroke of the Royal Navy (RN), the second ship launched from the class' second batch, with several improvements over the first five built.
Posted for three years to the Persian Gulf between 2009 and 2012, Pembroke was later deployed in international exercises and historic unexploded ordnance detection in home waters. She was the first of the RN Mine Countermeasures Vessels fitted with the Oceanographic Reconnaissance Combat Architecture system which replaced the previous NAUTIS system in early 2020.
As part of RN plans to replace all mine countermeasures vessels with autonomous uncrewed vessels, a decommissioning service and Freedom of Pembroke parade was held on 23 July 2023. After news that Pembroke was to be transferred to Romania, it was also announced that she was to be renamed M271 Căpitan Constantin Dumitrescu.
Design and description
The Sandown-class minehunter was designed to complement the existing Hunt-class mine countermeasures vessel, by providing a cheaper alternative and specific mine hunting service. The Sandown-class vessels were delivered in two batches, with the first five ships delivered by Vosper Thornycroft to the Royal Navy by November 1994. The company was then awarded the contract for a second batch of seven vessels, of which Pembroke was the second.
Ships of the Sandown-class had a hull constructed from glass reinforced plastic, and equipment on-board have a low magnetic signature.
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This entry incorporates text from “HMS Pembroke (M107)” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.