 "Isis" also cruised the Mediterranean and Adriatic.The Coast and Geodetic Survey acquired her from her owners on 1 July 1915 and placed her in service as a survey ship that year.She operated along the United States East Coast, used by Ernest Lester Jones—Director of the Coast and Geodetic Survey from 1915 to 1929—to ferry dignitaries about in addition to her hydrographic survey work.