Task: Text Categorization
Input (English): Context: USS Salvager (ARS(D)-3) a Gypsy-class salvage lifting vessel of the United States Navy was originally conceived as LSM-551 was reclassified ARS(D)-3 on 24 April 1945; named Salvager on 1 May 1945; laid down on 27 August 1945 by the Brown Shipbuilding Corporation Houston Texas; launched on 7 December 1945; and commissioned on 22 March 1946 Lieutenant Commander Howard L. Kubel USNR in command.
Question: The document can be classified to which topic? 
Options: 1)Artist, 2)EducationalInstitution, 3)MeanOfTransportation, 4)OfficeHolder, 5)NaturalPlace
Output (English): 3