海龍
In 1938, Mooney, as his mimeograph operator, accompanied Halliburton to China on his final expedition: they planned to sail a Wenchow-styled Chinese junk christened the "Sea Dragon" across the Pacific from Hong Kong to the Golden Gate International Exposition in San Francisco. "The Letters From The Sea Dragon", written with Halliburton (who alone signed them), offer eye-witness reports of the expanding Japanese presence in the Pacific. Sent to subscribers whose subscription fees helped finance the Sea Dragon Expedition, only four of a projected seven of these letters were written. Mooney also assisted Halliburton in preparing for the "San Francisco News" and the Bell Syndicate the more generally circulated articles, a projected fifteen in number, which were called collectively "The Log of the Sea Dragon".