In an unassuming stretch of the Thames Estuary, one of the smallest ships in the Royal Navy has been quietly carrying out one of the most consequential missions in recent maritime security work: mapping the riverbed that protects Britain’s economic lifeline. HMS Magpie, a hydrographic survey vessel just 18 metres in length, has spent the … Continue reading Small Ship, Vital Mission: HMS Magpie Safeguards Britain’s Thames Gateway