- Secret Archipelago Expedition . . . SAE . . . The S and A will do for Swallow and Amazon as well. (Titty, SW11; note that later the 'E' was used for 'Eels', see map, SW25.)
The 'Secret Archipelago Expedition consists of the Swallows marooned in the Secret Archipelago by their parents, and the Amazons and Eels who later joined.