 It was here that his abilities as an administrator and as an engineer found their perfect match.Shibayama was instrumental in raising the sunken Russian Pacific Fleet from the bottom of Port Arthur harbor, salvaging the badly damaged warships, and placing them into service with the Imperial Japanese Navy.Shibayama was promoted to full admiral on 13 November 1905 and elevated to the rank of "danshaku" (baron) under the "kazoku" peerage system on 21 September 1907.