High Quality Content by WIKIPEDIA articles! USS Seven Seas (IX-68) was built by Bergsund M.V. Atkieb in Stockholm, Sweden, in 1912 and served the Swedish Navy as the training ship Abraham Rydberg. Acquired by the United States Navy from William S. Gubelmann of Marine Airways, Roslyn, New York, on 10 April 1942 and placed in service on 5 May 1942.