HMS Rockingham (G58): A First War Veteran Sunk by a Mine on Her Way to Retirement

A Destroyer Already Twenty Years Old

HMS Rockingham began life as USS Swasey, laid down by Bethlehem Shipbuilding at Squantum, Massachusetts in August 1918, launched the following May and commissioned that August, seeing brief service with the US Pacific Fleet out of Pearl Harbor before spending seventeen long years laid up in reserve at San Diego from 1922 onward. She might have stayed there indefinitely had a new war not created a new use for her.

One of Fifty Ships That Changed the Balance

Reactivated in December 1939, Swasey was transferred to Britain on 26 November 1940 under the Destroyers for Bases Agreement, the landmark deal that saw fifty ageing American destroyers exchanged for British base rights across the Western Hemisphere, a transaction that gave Britain desperately needed escort vessels at a moment when the Battle of the Atlantic was reaching a critical stage.

The deal deserves rather more than a clause, because it is one of the more consequential things any American president has ever done with a signature. Announced on 3 September 1940, at the point when Britain had been alone for ten weeks, it handed over fifty First World War destroyers in exchange for ninety-nine-year rent-free leases on air and naval base sites in Newfoundland, Bermuda, the Bahamas, Jamaica, Antigua, St Lucia, Trinidad and British Guiana. Roosevelt concluded it as an executive agreement rather than a treaty, which meant it did not have to go to Congress, and the legal argument for doing so was written by his Attorney General, Robert Jackson, who would later be the chief American prosecutor at Nuremberg.

The honest assessment at the time, and since, is that the ships mattered less than the fact of the transfer. Most of them had been sitting in mud berths for the better part of two decades and needed months of work before they were fit for anything, as Rockingham's own eight-month refit demonstrates. What the deal actually did was tie the United States publicly to the British side while it was still formally neutral, and everybody involved understood that perfectly well. The ships were a receipt.

The naming was part of the same exercise. The fifty were made a class of their own, the Towns, and each was given the name of a place that exists in both countries, so that the ships themselves would say something about the arrangement every time somebody read a pennant list. Rockingham serves for a village and castle in Northamptonshire and for a town in North Carolina. Two of her sisters have accounts here: HMS Churchill (I45), who was visited aboard by the man she was named after and ended her life under the Soviet flag, and the wartime Campbeltown, who was packed with explosive and driven into the gates of the dry dock at St Nazaire, and whose bell is carried by the frigate in HMS Campbeltown (F86).

Renamed HMS Rockingham, she was commissioned into Royal Navy service at Halifax, Canada.

Refitted for the Convoy War

Rockingham underwent significant modification at Devonport between January and August 1941, with three of her four main guns and several torpedo tube mounts removed to make room for additional depth charges and a Hedgehog anti-submarine mortar, converting a First World War-era fleet destroyer into a dedicated convoy escort better suited to the war she now found herself fighting.

That refit is worth reading as a description of the problem. She had been designed in 1917 to run at thirty-five knots in a fleet action and to fire torpedoes at other surface ships, and by 1941 none of that was any use. So three of her four guns and most of her torpedo tubes came out, and depth charges and a Hedgehog mortar went in, and what was left was a hull with the right speed and the wrong shape doing a job nobody had imagined for it. Every one of the fifty went through some version of the same process, and it is why they took the best part of a year to become useful.

She joined the 8th Escort Group and later Escort Group B-1 of the Mid-Ocean Escort Force, undertaking an extensive programme of Atlantic convoy protection between 1941 and 1943, with records showing something in the order of thirty-five separate convoy escort missions across routes to Gibraltar, Canada and beyond, earning battle honours for the Atlantic 1941 to 1943 and the Bay of Biscay 1943.

From Escort Duty to Training Target

As newer, purpose-built escorts entered service and the immediate U-boat threat began to ease, Rockingham was fitted with updated Type 271 and Type 286 radar before being nominated in August 1943 for use as an air target ship, transitioning from front-line convoy escort to the training duties that occupied many older destroyers in the war's final years, based out of Rosyth to help aircrew hone their skills against a real, if now largely defensive, target.

Lost to a Mine in the War's Final Autumn

At around 4:45am on 27 September 1944, during a training deployment roughly thirty miles southeast of Aberdeen, Rockingham struck a mine in one of Britain's own defensive minefields, a stretch of water charted as QZX.604 and laid to keep German raiders and U-boats away from the coast rather than to catch anything of her own. The explosion wrecked her steering and engines, leaving her dead in the water.

There is a grim symmetry here that is worth pointing out. The Royal Navy has sown defensive minefields around the British Isles in both world wars, and in both wars they have taken British ships. HMS Redgauntlet (F97) struck a British mine on anti-submarine patrol in the Channel on 21 May 1917 and got home to Sheerness; Rockingham struck one off Aberdeen on 27 September 1944 and did not. Twenty-seven years apart, the same mistake in the same kind of water, and the difference between the two outcomes is largely weather and luck.

HMS Lancaster arrived to take her under tow, but a rising Force 9 gale had other ideas, snapping the tow line time and again as the two ships wrestled with the weather through the day. As the hours wore on, the flooding engine room bulkhead began to give way, and by that evening it was clear Rockingham could not be saved. Her crew were taken off, ten of them injured, and she finally went down stern-first at around 8:38 that evening, nearly sixteen hours after the mine had first found her, at the position 56.29 North, 00.57 West.

The sixteen hours deserve underlining. She was mined at a quarter to five in the morning and she did not go down until twenty to nine at night, and every one of those hours was spent trying to save her. Lancaster got a line across and the gale took it away, and they did it again, and it went again. Below decks the engine room bulkhead was working and the water was gaining on it all day. The men doing that were fighting for a twenty-six-year-old ship that had been retired from front-line service the year before and was being used as an aeroplane target, and they fought for her anyway, because that is what you do, and because there was nowhere else to be.

One man was lost, Second Class Stoker Ronald William Gant, posted missing and presumed drowned. The Admiralty's own report to his family gave the cause as enemy action rather than admit a British-laid minefield had claimed one of its own ships, a small, telling deception of the kind wartime bureaucracies specialised in. The wreck of HMS Rockingham has never been found.

There is more to that letter than carelessness with a family's feelings. The positions of Britain's own defensive minefields were among the more closely held secrets of the war, for the obvious reason that a chart of them would have been worth a great deal to the other side, and an accurate casualty notification would have put one on paper and into the post. So Ronald Gant's people were told what security required rather than what had happened. He has no grave: he was never found, and neither was the ship he was in. Whether that letter counts as a kindness, a necessity or a lie is a question the Admiralty was in no position to answer and his family were in no position to ask.

A Long Service, Cut Short at the End

HMS Rockingham's story spans an extraordinary arc, from a First World War-era American destroyer laid up for nearly two decades, to a vital lifeline in Britain's darkest Atlantic hour, to a training ship lost within sight of the war's end. Her loss stands as a quiet, sobering reminder that even in 1944, with victory increasingly assured, the sea around Britain's own coast remained a remarkably dangerous place.