Norris himself advanced no such charge, for, whatever Sir Francis’s bluff optimism may have led him to say by way of encouragement to the officers, he acted fully in accordance with the plans he had worked out with Norris and the senior commanders at Peniche, plans which enjoined him to risk the fleet in the Tagus only after he had assessed the prospects at Cascais. … Elizabeth had made it completely clear that an attack upon Lisbon would be dependent upon a considerable show of support for Antonio, and it was upon that above all else that her commanders relied.

John Sugden, Sir Francis Drake, loc. 1137