 Complete the following phrase:  During World War II he served on Sydney City Councils National Emergency Services committee from 1942 to 1945, advocating the construction of underground air-raid shelters and other measures preparing for possible attack. His son, Private David Bruce Harding who attended Sydney Church of England Grammar School, 1930-1935 of a href217th20Battalion2028Australia29217th Battaliona died on active service in the 