 Complete the following phrase:  Lerew was posted to RAAF Overseas Headquarters, London, in December 1943. He travelled via the United States, meeting film stars Bing Crosby, Bob Hope, and Dorothy Lamour on the set of Road to Utopia at Los Angeles in February 1944. In London, he undertook study of RAF and USAAF methods of operations, as well as diplomatic duties. Of the 