Alva Bryan Lasswell. He had studied Japanese as a language officer in Tokyo from 1935 to 1938 and had helped with communications- intelligence activities in Hawaii since May, 1941. The message was essentially complete, but he helped fill in some holes, while Dyer recovered some additives and Wright determined the meaning of internal geographical codegroups: RR for Rabaul; RXZ for Ballale, a small island in the Solomons group, just south of Bougainville; RXE for Shortland, another of the Solomons, also south of Bougainville and west of Ballale; and RXP for Buin, a base on the southern tip of Bougainville. When this work was completed, Lasswell translated the message. The Commander in Chief Combined Fleet will inspect Ballale, Shortland, and Buin in accordance with the following: 1. 0600 depart Rabaul on board medium attack plane (escorted by 6 fighters); 0800 arrive Ballale. Immediately depart for
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