“ NAVY DEPARTMENT, UNITED STATES. At the head of the Navy Department is the Secretary of the Navy, a civilian, with an Assistant Secretary, also a civilian. The military features of naval administration are in theory directed by a Naval Officer with the rank of Admiral, under the title "Chief of Naval Operations." The administrative details are handled by Bureaus, each of which is presided over by a "Chief of Bureau" with the rank of Rear-Admiral. The Bureaus are those of Navigation, Ordnance, Construction and Repair, Steam Engineering, Supply, Medicine and Surgery, and Yards and Docks. ”