Complex sentence: From Nov.1942 to May 1945 he held 3 titles simultaneously director of Allied Naval Intelligence, Southwest Pacific; assistant chief of staff for Intelligence, Seventh Fleet; and commanding officer of the Seventh Fleet Intelligence Center.
Split into simpler sentences: From Nov.1942 to May 1945, he held 3 titles simultaneously. He held Director of Allied Naval Intelligence, Southwest Pacific, Assistant Chief of Staff for Intelligence, Seventh Fleet, and Commanding Officer of the Seventh Fleet Intelligence Center.