The missing allied squadron and British force depth

The Rochefort squadron's five ships of the line could have raised the combined fleet's nominal strength at Trafalgar from thirty-three to thirty-eight. A simple 38-to-27 comparison is misleading because British detachments were already searching for the missing force and could have concentrated in response. Richard Strachan's squadron is especially important because it later encountered the Trafalgar survivors at Cape Ortegal. Calder's decision to take Prince of Wales home also deprived Nelson of a second-rate that British planners expected him to have. The counterfactual depends on intelligence, reinforcement, and force availability across the wider campaign.