HMS Antrim

HMS Antrim, a County-class guided-missile destroyer, played a pivotal role during the recapture of South Georgia and the subsequent landings at San Carlos Water. On 21 May 1982, during the "Battle of Bomb Alley," the ship was targeted by Argentine IAI Dagger aircraft. One 1,000lb bomb struck the ship, penetrating the aft superstructure and coming to rest in the Seaslug missile magazine. Miraculously, the bomb did not explode, though it caused significant kinetic damage and fire.

The Board of Inquiry was tasked with examining how the ship survived and why certain defensive systems had failed to intercept the attackers. The inquiry praised the extraordinary "coolness" of the crew, particularly the ship’s EOD (Explosive Ordnance Disposal) officer, Lieutenant Commander Brian Dutton, who spent ten hours defusing the bomb while the ship remained in a combat zone. The BoI noted that had the bomb detonated, the secondary explosion of the Seaslug missiles would have obliterated the ship and its 470 crew members.

Tactically, the inquiry was critical of the ship’s primary defence system. The Seaslug was a 1950s-era missile designed to intercept high-altitude bombers; it proved almost useless against low-level, high-speed "sea-skimming" attacks in the confined waters of San Carlos. The inquiry also highlighted the fire risk posed by the ship’s internal aluminium structures and the toxicity of the cabling insulation when burnt—lessons that were also learned painfully by the loss of HMS Sheffield.

The findings of the Antrim BoI, alongside those of other ships in the task force, led to a radical shift in Royal Navy philosophy. It accelerated the "point defence" revolution, moving away from heavy, slow-moving missiles towards rapid-fire cannon systems (like Goalkeeper and Phalanx) and more agile vertical-launch missiles. HMS Antrim was eventually sold to Chile in 1984, but the data from its survival remained a cornerstone of British naval architecture for the following decade.