The project was given the codename Pluto, which stood for "pipeline underwater transportation of oil" or "pipeline under the ocean".[lower-alpha 1] The operation was placed under the chief of staff to the Supreme Allied Commander, Designate (COSSAC). The G-4 section of the COSSAC staff, which assumed responsibility for Pluto, was headed by British Major General Nevil Brownjohn, with American Colonel F. L. Rash, Colonel Frank M. Albrecht, and Major General Robert W. Crawford successively as his deputy. Royal Navy Captain John Fenwick Hutchings from the Admiralty's Department of Miscellaneous Weapons Development was placed in command of Operation Pluto.