Could HMS Roberts have been reactivated for the Falklands War?
Short answerIf inspection showed rapid reactivation was possible and shells existed, she could serve as a heavily protected inshore fire-support platform.
NotesThe counterfactual begins with a demanding practical test: Roberts, her machinery, and a stock of 15-inch shells must all be capable of rapid reactivation. The monitor would sit close inshore at San Carlos, possibly grounded deliberately so battle damage could not sink her. From that protected position, the guns could reach much of the island and provide ground forces with firepower far beyond the historical naval bombardment force. An action such as Goose Green would then become a problem for mapped gunfire rather than an infantry assault conducted without heavy support. The monitor's specialized tradeoff is clear: very limited mobility can be acceptable when armor, shallow-water access, and exceptionally heavy guns match the mission.